Biossance Squalane + Retinol Night Serum bottle on white background
Good choice for Aging
What makes this different

Instead of a single raw retinol, this pairs encapsulated, time-release retinol with the faster-converting retinal, then cushions the duo in a squalane-and-allantoin base built specifically to minimize irritation. That combination of two complementary retinoids delivered gradually, plus a genuinely fragrance-free formula, makes it one of the more tolerable ways to use an effective retinoid.

Biossance

Biossance Squalane + Retinol Night Serum Review

Gentle Encapsulated Retinol Retinoids serum clean beauty Paraben free Cruelty free Vegan

A smartly buffered retinoid serum that pairs encapsulated, time-release retinol with faster-acting retinal, then cushions both in a fragrance-free squalane-and-allantoin base to minimize the usual irritation. It is one of the more tolerable effective retinols around, ideal for newcomers and sensitive users — though the strength is undisclosed and seventy-two dollars buys only a small 30 mL bottle.

Price $72.00 30 mL
Shopper rating 4.4 ★★★★★ 1,100 reviews
On the market 2023 Made in USA
Buy at Amazon ♥
Verdicts

How well it fits each concern

Since this serum launched in 2023, the assessment leans on the extensive, well-published evidence for retinoids and the soothing role of squalane and allantoin more than on a deep pool of long-term reviews of this exact formula. The undisclosed retinol concentration also limits precise strength comparisons, so the rating may shift as more real-world feedback and any further detail on the formula emerge.

One verdict per concern. Open a row for the reasoning; the receipt has every source.

The scaleRecommendedGoodSupportingEarly evidenceNot for thisAvoidhow it works

Good choicefor AgingRetinol is a trial-supported active for aging; this serum carries it, though the concentration is not declared.Receipt4 sources on the row · concentration not declared; studied range 0.075–0.5% · row checked Jul 17, 2026 · rule R5, same reading on 9,843 products · open the receipt

The case for it

  1. Encapsulated Retinol + Retinal has trial-supported standing for this concern.
  2. It is plausibly present at a working level, though the concentration is not declared.
  3. The formula carries none of the triggers this concern is sensitive to.

Moderate evidenceGentleNo reviews read yet

What would change this: A declared concentration would move this to a firmer reading of the dose.

Same rule for everyone. “Good choice” is the verdict on 10,340 of 45,446 concern verdicts across the catalog; rule R5 decided 9,843 of them. Unchanged since September 5, 2026, engine 5.2.0.

Brand or formulator? Disclose a concentration or correct a fact →

The full receipt: rule, row, sources, dates →All aging products →

Promisingfor HyperpigmentationRetinol has trial-level evidence for hyperpigmentation but no guideline or regulatory standing yet — promising, short of a recommendation; the other actives here are not yet assessed for it.Receipt4 sources on the row · concentration not declared; studied range 0.1–1% · row checked Jul 17, 2026 · rule R9p, same reading on 4,872 products · open the receipt

The case for it

  1. Encapsulated Retinol + Retinal has at least one trial behind it for this concern but no guideline or regulatory standing yet.
  2. It is plausibly present at a working level, though the concentration is not declared.
  3. The formula carries none of the triggers this concern is sensitive to.

Moderate evidenceGentleNo reviews read yet

What would change this: A declared concentration would move this to a firmer reading of the dose.

Same rule for everyone. “Promising” is the verdict on 4,872 of 45,446 concern verdicts across the catalog; rule R9p decided 4,872 of them. Unchanged since September 5, 2026, engine 5.2.0.

Brand or formulator? Disclose a concentration or correct a fact →

The full receipt: rule, row, sources, dates →All hyperpigmentation products →How hyperpigmentation is treated →

Unprovenfor Dark SpotsRetinol has early or mechanistic evidence for dark spots — a reasonable bet, not a recommendation; the other actives here are not yet assessed for it.Receipt2 sources on the row · concentration not declared; studied range 0.1–0.5% · row checked Jul 17, 2026 · rule R9, same reading on 4,156 products · open the receipt

The case for it

  1. Encapsulated Retinol + Retinal has early or mechanistic evidence for this concern, not trial-backed standing.
  2. It is plausibly present at a working level, though the concentration is not declared.
  3. The formula carries none of the triggers this concern is sensitive to.

Limited evidenceGentleNo reviews read yet

What would change this: A declared concentration would move this to a firmer reading of the dose.

Same rule for everyone. “Unproven” is the verdict on 4,156 of 45,446 concern verdicts across the catalog; rule R9 decided 4,156 of them. Unchanged since September 5, 2026, engine 5.2.0.

Brand or formulator? Disclose a concentration or correct a fact →

The full receipt: rule, row, sources, dates →All dark spots products →How dark spots is treated →

Promisingfor Large PoresRetinol has trial-level evidence for large pores but no guideline or regulatory standing yet — promising, short of a recommendation; the other actives here are not yet assessed for it.Receipt3 sources on the row · concentration not declared; studied range 0.1–1% · row checked Jul 17, 2026 · rule R9p, same reading on 4,872 products · open the receipt

The case for it

  1. Encapsulated Retinol + Retinal has at least one trial behind it for this concern but no guideline or regulatory standing yet.
  2. It is plausibly present at a working level, though the concentration is not declared.
  3. The formula carries none of the triggers this concern is sensitive to.

Moderate evidenceGentleNo reviews read yet

What would change this: A declared concentration would move this to a firmer reading of the dose.

Same rule for everyone. “Promising” is the verdict on 4,872 of 45,446 concern verdicts across the catalog; rule R9p decided 4,872 of them. Unchanged since September 5, 2026, engine 5.2.0.

Brand or formulator? Disclose a concentration or correct a fact →

The full receipt: rule, row, sources, dates →All large pores products →

Also listed for Rough Texture and Dullness — the actives here (Squalane, Allantoin, Antioxidants, Retinol) are in our research queue for those concerns; there is no verdict until their evidence rows are written. That is a gap in our table, not a mark against the product.

Where our review and the verdict differ. The review below was written on the formulation and the published trials; the verdicts above apply the stricter standing test in our methodology — an active earns a recommendation only with guideline or regulatory standing for the concern. Where the two disagree, the verdict is Dermington’s position.

A verdict is Dermington’s assessment of how well a product’s ingredients fit a concern — never a claim about what the product treats. Evidence dots and collected reviews sit beside it and are never blended in. Rules 0.5.1 · evidence table ev-2026.10-r231 · engine 5.2.0 · how we decide · this product’s receipt

Reader poll · Town SquareQuestion 1 of up to 3

Have you used Squalane + Retinol Night Serum?

One tap counts. A couple of optional follow-ups come next.

No account neededOne answer each, change it any timeCounted only in anonymous totalsHow the Square counts →
Assessment

Pros & cons

What it does well 7

  • Encapsulated retinol-and-retinal duo for broad retinoid action
  • Time-release delivery minimizes irritation
  • Squalane and allantoin cushion against dryness and redness
  • Genuinely fragrance-free, unusual for an active serum
  • Lightweight, hydrating texture rather than astringent
  • Suitable for retinoid newcomers and sensitive users
  • Vegan and cruelty-free with airless-style packaging

Where it falls short 5

  • Expensive at seventy-two dollars for only 30 mL
  • Retinol concentration is not disclosed
  • No larger value size available
  • Not pregnancy-safe, like all retinoids
  • Requires patience and strict daily sunscreen
Review

The full review

Here is the uncomfortable truth about retinoids: they work better than almost anything else you can put on your skin, and more people abandon them than any other proven active. The reason is not that retinol fails to deliver — decades of research say it reliably smooths texture, softens fine lines, fades pigmentation, and speeds cell turnover. The reason is that the first few weeks can be genuinely miserable: dryness, flaking, redness, the dreaded retinoid uglies. People quit before the payoff arrives. The most intelligent thing about Biossance's Squalane + Retinol Night Serum is that it is designed, from the formula up, around solving that adherence problem rather than just maximizing strength on paper. It is built so you can actually keep using it, which is the only way a retinoid ever works. The strategy has three parts, and they fit together well. First, it uses not one but two retinoids: retinol, the familiar workhorse, plus retinal (retinaldehyde), which sits one conversion step closer to active retinoic acid and tends to act faster. Pairing them gives a broader, more efficient retinoid effect than retinol alone. Second, both are encapsulated for time-release, so the actives are delivered to the skin gradually rather than all at once — the same total benefit, dripped out slowly enough that the skin has a chance to keep up, which is the core of the irritation-reducing claim. Third, and most characteristically Biossance, the whole thing is cushioned. Squalane sits second on the ingredient list, right behind water, supplying skin-identical hydration and barrier support, and allantoin is folded in as a dedicated soothing agent. Together they directly counteract the dryness and redness that retinoids cause, which is why this serum feels cushiony and hydrating on application rather than astringent. It is a coherent, well-reasoned design, not a marketing collage. Just as importantly, it is genuinely fragrance-free. After working through the rest of the Biossance line, where essential-oil fragrance repeatedly narrows who can use otherwise-gentle formulas, it is a relief to find the brand's most active product left unscented. That is the correct call: layering fragrance onto a retinoid, the exact product most likely to leave skin sensitized, would be asking for trouble, and Biossance avoided the trap here. The formula rounds out with a saffron extract and vitamin E for antioxidant and brightening support, plus rice bran and other plant extracts, none of which are headline actives but all of which fit the gentle, brightening night-serum theme. In use, it behaves like a well-mannered retinoid. The texture is a lightweight cream-serum that absorbs to a soft finish, and most people find the adjustment period milder than with a comparable unencapsulated retinol — some mild dryness or light flaking in the first few weeks, eased considerably by the buffering base, provided you introduce it slowly. The standard retinoid rules still apply and should not be skipped: start at two nights a week and build up, apply only at night, never layer it with AHAs, BHAs, or vitamin C in the same routine, and wear sunscreen every single morning, because retinoids increase photosensitivity. And the non-negotiable: this is not pregnancy-safe. Retinoids are contraindicated in pregnancy and while breastfeeding, full stop, and no amount of gentle formulation changes that. The two honest frustrations are transparency and price. Biossance does not disclose the retinol percentage, which makes it hard to know exactly where this sits on the strength spectrum or to compare it precisely to other retinoids — you are trusting the brand's calibration. And at seventy-two dollars for a single thirty-milliliter bottle, with no larger size to improve the math, this is firmly prestige-priced. You are paying for the two-retinoid encapsulation technology, the squalane-and-allantoin cushioning, the fragrance-free formulation, and the brand's clean positioning, all of which are real and well-executed. But effective encapsulated retinols exist at lower prices, and the undisclosed strength makes the premium a slight leap of faith. Where this serum earns its keep is for a specific, common person: someone who knows retinoids are the right move, has been burned by irritation before or has skin too sensitive to tolerate a harsher formula, and wants a genuinely effective retinoid they can stick with comfortably. For that person, the gentleness is not a downgrade — it is the entire value proposition, and this is one of the better executions of it. It is worth lingering on why adherence deserves to be the headline rather than a footnote. The dirty secret of the retinoid category is that the strongest formula in the world delivers nothing if it sits unused in a drawer after two weeks of peeling. Efficacy in the real world is a product of potency multiplied by how consistently you actually apply it, and consistency collapses the moment a product hurts to use. A serum engineered to be tolerable — encapsulated, buffered, fragrance-free, hydrating — is therefore not a weaker retinoid so much as a more reliable one, because it keeps you in the game long enough for retinoids to do what only time lets them do. That reframing is the most useful lens for deciding whether this is worth its price. If you are someone who has tried retinol three times and quit three times, the gentleness here is not a luxury, it is the difference between results and another abandoned bottle. The two real frustrations — the undisclosed strength and the steep cost per milliliter — keep this from being a blanket recommendation, but they do not negate the core achievement. Biossance set out to make a retinoid that sensitive and skittish skin could stick with, and it largely succeeded. For the right person, that is exactly the retinoid worth owning.

The science

Retinoids are the most robustly evidenced topical anti-aging actives in dermatology. Retinol and retinaldehyde (retinal) are precursors that the skin enzymatically converts to retinoic acid, the active form that binds nuclear retinoid receptors to increase keratinocyte turnover, stimulate collagen synthesis, and normalize pigmentation — mechanisms supported by extensive published research on improvements in fine lines, texture, and discoloration. Retinal sits one conversion step closer to retinoic acid than retinol, which is associated with faster activity, so pairing the two offers complementary kinetics. The serum's defining feature is encapsulation: time-release delivery systems are designed to release retinoids gradually, and the rationale, supported by formulation science, is that slower delivery reduces the peak irritation responsible for retinoid dryness and flaking without sacrificing the cumulative dose. The irritation-buffering is reinforced by squalane, a skin-identical emollient documented to reduce transepidermal water loss, and allantoin, a soothing agent with evidence for calming and supporting skin comfort — both directly addressing the barrier disruption retinoids cause. Tocopherol and saffron extract add antioxidant and brightening support with stronger and weaker evidence respectively. The unavoidable caveats are well-established: retinoids increase photosensitivity, mandating daily sun protection, and are contraindicated during pregnancy. The honest synthesis is that the retinoid efficacy and the irritation-reduction strategy are both well-supported, with the main unknown being the undisclosed concentration.

The clinical view

Retinoids are consistently regarded in clinical practice as the gold standard for addressing fine lines, uneven texture, and photoaging, and encapsulated, time-release formulations are often suggested for patients who have struggled with the irritation of conventional retinol. Pairing retinol with retinal and cushioning them in a hydrating, soothing base aligns with the common clinical strategy of buffering retinoids to improve tolerability and adherence — the single biggest predictor of whether a retinoid delivers results. Standard guidance includes starting slowly, building frequency gradually, avoiding concurrent use with other strong actives, and applying broad-spectrum sunscreen daily because retinoids increase sun sensitivity. Dermatologists uniformly advise against retinoid use during pregnancy and breastfeeding. For appropriate candidates, a gentle encapsulated retinoid like this is viewed as a sensible entry point to a proven category.

Formula

Key ingredients

  1. Encapsulated Retinol + Retinal

    An encapsulated, time-release duo of two retinoids — retinol plus the faster-converting retinal — that is the engine of the serum's cell-turnover, line-smoothing, and tone-evening benefits. The encapsulation releases the actives gradually to drive results while limiting the irritation that unbuffered retinoids typically cause.

    Emerging for Aging
  2. Squalane

    The brand's sugarcane emollient, sitting second on the list as the deliberate counterweight to the retinoids. It supplies skin-identical hydration and barrier support to offset the dryness and flaking retinol can cause, which is central to the serum's minimal-irritation positioning.

    Not yet assessed
  3. Allantoin

    A soothing, skin-calming agent included specifically to buffer the retinoid actives, helping reduce the redness and sensitivity that can accompany retinol use and reinforcing the gentle, comfortable feel the formula aims for.

    Not yet assessed
  4. Crocus Sativus (Saffron) Stigma Extract

    A saffron-derived antioxidant extract the brand adds for brightening support, working alongside the retinoids' tone-evening action and the vitamin E to lend the night serum its brightening character.

    Not yet assessed
Full ingredient list 23 ingredients ShowHide

Water/Aqua/Eau, Squalane, Glycerin, Caprylic/Capric Triglyceride, Cetearyl Olivate, Sorbitan Olivate, Retinol, Retinal, Allantoin, Crocus Sativus Stigma Extract, Pseudozyma Epicola/Evening Primrose Oil Ferment Extract, Tocopherol, Rosmarinus Officinalis (Rosemary) Leaf Extract, Oryza Sativa (Rice) Bran Extract, Cetearyl Alcohol, Helianthus Annuus (Sunflower) Extract, Hydroxyapatite, Dextrin, Carbomer, Sodium Gluconate, Phenoxyethanol, Ethylhexylglycerin, Sodium Hydroxide

Safety & formulation facts

  • Not pregnancy safe
  • Fragrance free
  • Alcohol free
  • Not oil free
  • Silicone free
  • Paraben free
  • Sulfate free
  • Cruelty free
  • Vegan
  • Not fungal-acne safe
Pore-clogging (comedogenic) Cetearyl Alcohol
Potential irritants RetinolRetinal
Compatibility

Skin types & routine

Routine step treatment
Time of day Night
Best season All year
Finish lightweight, velvety, natural

Layering

At night, slot it in after cleansing and any water-based hydrating products, before moisturizer. Introduce it slowly — two nights a week to start — and sandwich with moisturizer if needed. Do not combine with AHAs, BHAs, or vitamin C in the same routine, and always wear daily sunscreen, since retinoids increase sun sensitivity.

When to expect results

Skin may look smoother and more hydrated within the first couple of weeks thanks to the squalane base. Retinoid benefits — refined texture, more even tone, softened fine lines — typically emerge over eight to twelve weeks of consistent use, with continued improvement beyond that.

Pairs well with Squalane oilHyaluronic acid serumsNiacinamideSoothing moisturizers
Don't combine with AHA/BHA exfoliants in the same routineVitamin C in the same routineBenzoyl peroxide

A routine built around it

Morning

  1. Gentle cleanser
  2. Antioxidant serum
  3. Moisturizer
  4. Sunscreen SPF 30+

Night

  1. Cleanser
  2. Hydrating serum (optional)
  3. Biossance Squalane + Retinol Night Serumthis product
  4. Moisturizer
Guidance

How to use it, and who it's for

How to use

Use at night only. After cleansing and any water-based hydrating products, dispense a pea-sized amount and smooth it over dry skin, avoiding the immediate eye area and corners of the nose, then follow with moisturizer. Begin with two nights a week and increase gradually as your skin adjusts; if dryness appears, apply moisturizer before and after the serum to buffer it. Do not use it in the same routine as AHAs, BHAs, vitamin C, or benzoyl peroxide. Apply a broad-spectrum SPF 30 or higher every morning. Do not use during pregnancy or breastfeeding.

Is it worth the price?

At seventy-two dollars for 30 mL with no larger option, this is a firmly prestige-priced retinoid, and the per-milliliter cost stays high across the bottle. The price is backed by real substance — a two-retinoid encapsulated delivery system, a squalane-and-allantoin cushioning base, a fragrance-free formulation, and airless-style packaging that protects the actives — so it is not an empty markup. The sticking points are that the retinol strength is undisclosed, making precise value hard to judge, and that effective encapsulated retinols exist for less. The redeeming factor is tolerability: for someone whose skin cannot handle cheaper, harsher retinols, a serum they can actually use consistently delivers more real-world value than a bargain product they abandon. Fair value for sensitive skin specifically; a stretch otherwise.

Who should buy it

Ideal for anyone who wants the proven benefits of a retinoid — smoother texture, softer fine lines, more even tone — but has been deterred by irritation, including retinoid newcomers and those with drier or more sensitive skin. The fragrance-free, well-buffered formula makes it a strong pick for people who prioritize tolerability and consistency.

Who should skip it

Skip it if you are pregnant or breastfeeding, since retinoids are contraindicated. Seasoned retinoid users who want a disclosed high strength may find it underwhelming or opaque, and bargain shoppers, given the price for 30 mL and the lack of a larger size, should consider a more transparent, lower-cost encapsulated retinol.

Ready to try it?Biossance Squalane + Retinol Night Serum · $72.00 · 30 mL
Details

The product, in detail

Texture
A lightweight, silky cream-serum that spreads smoothly and absorbs to a soft, conditioned finish without the dryness many retinol serums leave.
Scent
Fragrance-free, with only a faint neutral note from the base ingredients and no added perfume or essential oils.
Packaging
Opaque airless-style pump bottle that protects the light- and air-sensitive retinoids and dispenses a controlled dose; sold only in the 30 mL size.
How long it lasts
Roughly two to three months from the 30 mL bottle when used a few nights a week and building to nightly, depending on how much is applied.
Once opened
Use within 12 months · track your toss-by date →
Size
30 mL
Made in
USA
Launched
2023
Certifications
Cruelty-free (Leaping Bunny) · Vegan

What the first two weeks feel like

The serum feels cushiony and hydrating rather than astringent on application, which is unusual for a retinoid and reflects the squalane base. During the first few weeks some users notice mild dryness or light flaking as skin adjusts to the retinoids, but the buffering ingredients keep this milder than with many unencapsulated retinols. Easing in slowly is the key to a smooth adjustment period.

The story behind it

Why it exists

Retinoids are the most evidence-backed anti-aging actives available, but their Achilles' heel is irritation — the dryness, flaking, and redness that drive people to quit. Biossance built this serum to address that head-on, encapsulating a retinol-retinal duo for gradual release and surrounding it with the brand's signature squalane and soothing allantoin, framing it as a high-efficacy retinoid that newcomers and sensitive users can actually stick with.

About Biossance Established Brand (5–20 years)

Biossance, founded in 2016 from the Amyris sugarcane-squalane biotech platform, built this serum around an encapsulated retinol-and-retinal duo cushioned by its signature squalane. The brand cites its own clinical testing for the irritation-minimizing claim, though independent long-term validation is still limited.

Brand founded 2016 · This product since 2023

Myth vs. reality

What people get wrong about it

MythGentle, low-irritation retinols don't really work.

RealityEncapsulation slows the release of the retinoids to reduce irritation, but it does not neutralize them — the retinol and retinal still convert to active retinoic acid in the skin and drive cell turnover. You trade a slightly slower onset for far better tolerability, not for a lack of results.

MythIf a retinol serum doesn't make you peel, it isn't strong enough.

RealityPeeling is a sign of irritation, not efficacy. A well-buffered retinoid like this one can deliver real smoothing and tone-evening benefits with minimal flaking, because the squalane and allantoin offset the dryness while the retinoids do their work.

FAQ

Questions people ask

What kind of retinoid is in the Biossance Retinol Night Serum?

It uses an encapsulated, time-release duo of retinol and retinal (retinaldehyde). Retinal converts to active retinoic acid faster than retinol, so pairing them gives a broader retinoid effect, while the encapsulation releases the actives gradually to reduce irritation.

Is the Biossance Retinol Serum gentle enough for sensitive skin?

It is designed to be. The retinoids are encapsulated for slow release and cushioned with squalane and allantoin, and the formula is fragrance-free, so it tends to be more tolerable than conventional retinols. Still introduce it slowly, two nights a week to start.

Can I use the Biossance Retinol Night Serum while pregnant?

No. Retinoids are contraindicated during pregnancy and breastfeeding regardless of how gentle the formulation is. Choose a pregnancy-safe alternative such as azelaic acid for the duration.

Why doesn't Biossance list the retinol percentage?

The brand does not disclose the concentration, which makes precise strength comparisons difficult. You are relying on its calibration; the encapsulated, buffered design suggests it is tuned for tolerability rather than maximum raw strength.

What should I avoid pairing with this retinol serum?

Do not use it in the same routine as AHAs, BHAs, vitamin C, or benzoyl peroxide, as combining actives raises irritation risk. Use it at night, and always apply a broad-spectrum sunscreen the next morning since retinoids increase sun sensitivity.

How long until I see results from the Biossance Retinol Serum?

The squalane base can make skin look smoother and more hydrated within a couple of weeks, but true retinoid benefits — refined texture, more even tone, softened lines — generally take eight to twelve weeks of consistent use to appear.

Reviews

What shoppers tend to say

Recurring themes our editors read across retailer reviews — summaries in our words, not quotations, and not a substitute for a patch test.

Common praise

  • Effective retinol with little irritation
  • Squalane base keeps skin from flaking
  • Fragrance-free and gentle
  • Visible smoothing and brightening over time

Common complaints

  • Expensive for a 30 mL serum
  • Retinol strength not disclosed
  • Results take time, as with any retinoid
  • No larger value size
Notable endorsementsPositioned as a low-irritation encapsulated retinoidFeatured in clean-retinol roundups
Next stepCheck it against what you already useClashes, spacing and the right order, with everything on your shelf.