The science
The formulation's overnight logic rests on well-established barrier physiology: skin loses more water through the night than the day, and an emollient layer applied at bedtime reduces that loss while the stratum corneum is most permeable. This cream supplies that layer with sesame and apricot kernel oils, sunflower oil and candelilla wax — a lipid phase heavier than the day cream's but lighter than the shea-and-cocoa bases of Weleda's mature-skin night creams — and keeps it comfortable with tapioca starch and hectorite, which absorb surface sebum and give an oil-based emulsion a satin rather than greasy set. Glycerin and betaine provide humectancy beneath the lipid seal. The brand's in-use result — 94 percent visibly smoother, 88 percent recovered by morning, among 32–34 subjects over four weeks — is consistent with that structure and cannot, absent a control, be attributed to any single ingredient.
The rose oil is the line's evidence-bearing hero. In their 2017 review in the International Journal of Molecular Sciences, Lin, Zhong and Santiago surveyed topical plant oils including rosehip and drew the distinction between linoleic-rich oils, which support the stratum corneum's lipid organisation and barrier function, and oleic-dominant oils that can disrupt it; Rosa moschata seed oil is among the linoleic- and linolenic-rich oils with carotenoid and tocopherol content, and its documented topical uses — barrier support, scar appearance, early photoaging — align with a cream for the first signs of aging rather than with any structural anti-wrinkle claim. Sesame oil, second in the list, shares a linoleic-and-oleic profile with antioxidant lignans; apricot kernel oil is oleic-dominant and adds slip. The blend is unusually polyunsaturated for a jar without synthetic preservatives, which is why the tocopherol at twentieth and the white tea at eleventh matter as antioxidants for the formula as much as for the skin.
White tea — young, minimally processed Camellia sinensis leaf — retains high catechin concentrations, particularly epigallocatechin gallate, with laboratory and some clinical support for free-radical scavenging and anti-inflammatory activity in green and white tea topicals; the brand's 'clinically shown to reduce the effects of free radical damage' rests on the perception survey above rather than on any oxidative measurement. Horsetail (Equisetum arvense) supplies silica and flavonoids with traditional firming associations and negligible skin evidence. The declared fragrance allergens — limonene, linalool, citronellol, geraniol, citral — carry the same sensitisation potential as in synthetic perfume, and alcohol at seventeenth adds a minor irritation risk on compromised skin.
References 1 ShowHide
- Anti-Inflammatory and Skin Barrier Repair Effects of Topical Application of Some Plant Oils — International Journal of Molecular Sciences (2017)