For your skin
A Korean-skincare staple that hydrates, soothes, and helps surface damage heal faster. Especially nice on dehydrated or post-acne skin.
Want the science? Keep reading ↓Mechanism of action
Glycoprotein-rich filtrate that delivers humectants, allantoin, and glycolic acid for hydration and repair.
Why we tier this moderate
4 cited papers across 2 countries. The mechanism is well-described and there's at least one controlled trial in the literature, but we tier this Moderate rather than Strong to stay honest about how many specific papers we cite directly.
Layering matrix
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Cited research
Puaratanaarunkon T et al., Efficacy and safety of a facial serum containing snail secretion filtrate, Calendula officinalis, and Glycyrrhiza glabra root extract in the treatment of maskne: A randomized placebo-controlled study, Journal of Cosmetic Dermatology 2022;21(10):4470-4478 — 12-week RCT (n=66): snail-secretion-filtrate serum significantly reduced inflammatory acne lesions
Lim DJ et al., Efficacy and safety of a new cosmeceutical regimen based on the combination of snail secretion filtrate and snail egg extract to improve signs of skin aging, Journal of Clinical and Aesthetic Dermatology 2020;13(3):31-38 — 3-month RCT in women 45-65 showed significant improvements in roughness, firmness, elasticity vs vehicle
Fabi SG et al., The Effects of Filtrate of the Secretion of the Cryptomphalus Aspersa on Photoaged Skin, Journal of Drugs in Dermatology 2013;12(4):453-457 — 12-week vehicle-controlled split-face study; significant improvement in fine lines and periorbital wrinkles vs placebo
Iglesias-de la Cruz MC et al., A secretion of the mollusc Cryptomphalus aspersa promotes proliferation, migration and survival of keratinocytes and dermal fibroblasts in vitro, International Journal of Cosmetic Science 2012;34(2):183-189 — mechanistic basis for SCA's regenerative skin effects
Sources: PubMed · KCI · J-Stage · CNKI · Wanfang · SFD · MFDS · Cochrane · SCCS · CIR. Every entry points to a specific document. See methodology for what each outcome label means.