JMsolution publishes the full ingredient list for every mask in The Effect line on its Korean store, and reading two of them side by side produces a small surprise. The Hyaluronic & Moisturizing Mask and the NMF & Moisturizing Mask have the same list, ingredient for ingredient, including the same parts-per-million figure for arginine and the same parts-per-billion figures for the amino acids. They come in differently coloured boxes and are sold under different headlines, but on the brand's own evidence the essence inside is identical.
That is not necessarily a problem for the buyer. It simply means the name on the box is a choice of emphasis. This formula contains both nine forms of hyaluronic acid and a set of natural moisturising factor components — sodium PCA, sodium lactate, PCA and amino acids — so it can be marketed either way. The useful question is which ingredients actually matter, and the answer is neither headline.
The hydration comes from the top of the list: water, dipropylene glycol, glycerin and methylpropanediol. Glycerin in particular is one of the most effective and best-studied humectants in skincare, and under the occlusion of a sheet mask it draws water into the upper layers of the skin quickly. Panthenol and allantoin, seventh and eighth, add barrier support and soothing. Those four or five ingredients explain most of what a user will feel.
The hyaluronic acids begin at eighteenth place with sodium hyaluronate and continue down the list: hydrolysed hyaluronic acid, hydrolysed sodium hyaluronate, hydroxypropyltrimonium hyaluronate, sodium acetylated hyaluronate, dimethylsilanol hyaluronate, sodium hyaluronate crosspolymer, hyaluronic acid and potassium hyaluronate. Different molecular sizes behave differently — larger ones form a surface film, smaller fragments sit a little deeper in the upper stratum corneum — and a blend is a reasonable design. But they are all present at low levels, after the preservative, the fragrance and the chelating agent. Their main contribution is a light, smoothing film once the sheet comes off.
The NMF ingredients are lower still. The brand lists sodium PCA at 2,700 parts per billion and the individual amino acids at 30 to 120 ppb. Natural moisturising factor is a real and important part of skin hydration, made largely of amino acids, PCA and lactate, but these amounts are far below what would replenish it meaningfully. The disclosure is honest; the headline built on it is generous.
Adenosine supplies the box's Korean wrinkle-improvement functional claim. It is a reasonable ingredient with some evidence for fine lines, though twenty-minute masks a few times a week are a small dose of it.
What the formula does not contain is also worth noting. There are no plant oils, no silicones and no heavy emollients, which makes the essence light and suitable for oily and combination skin, and generally acceptable for people avoiding ingredients linked to fungal acne. The downside is that nothing in the formula seals water in. Hyaluronic-heavy essences can leave very dry skin feeling tight once the water they drew in evaporates, especially in dry indoor air. A moisturiser applied straight after the mask solves that.
Fragrance appears mid-list. The scent is light, and many users will not notice it, but it is the main reason the mask is not a first choice for rosacea, eczema or known fragrance allergy.
There is a practical takeaway in the duplicate lists, too. Brands that sell many variants of a line often share a base essence and change only the headline ingredients, and that is common and sensible manufacturing. What is less common is for the published lists to be exactly identical, which suggests either that the two masks truly are one formula or that one list was copied onto the other. Either way, the only information a buyer can act on is the published list, and by that list the purchase decision between the two boxes comes down to colour.
The sheet is thin and fits closely, and the 24ml pouch soaks it thoroughly without much dripping. Twenty minutes later, skin looks visibly plumper and glossier. That is exactly what an inexpensive hydration mask should deliver, and this one does it reliably. It also makes a sensible travel companion: a single pouch weighs almost nothing, needs no bottle, and rescues skin that has spent hours in the dry cabin air of a long flight.
On price, the ten-sheet box is $12.50 from both JMsolution's US store and Amazon, about $1.25 a sheet. Amazon's 4.7-star rating from 54 reviews is pooled across every variant of The Effect listing, so it reflects the line rather than this mask specifically.
The honest recommendation is simple. If a quick, cheap, oil-free hydration mask is the goal, this is a good one, and there is no need to buy the NMF version as well — by the brand's own lists, it is the same thing. Pair it with a moisturiser, and do not expect the hyaluronic acid count to do more than the glycerin already does.