Pureface Blog
[Ingredient Spotlight] Snail Mucin — The K-Beauty Staple, and What the Evidence Actually Shows
[Ingredient Spotlight] Snail Mucin — The K-Beauty Staple, and What the Evidence Actually Shows
Snail mucin, or snail secretion filtrate, is a K-beauty staple popular in the US. This spotlight reviews the small clinical studies behind its hydration and anti-aging claims, flags the limits,... Read more...
[Ingredient Spotlight] Azelaic Acid — What the Trials Show, and What the Buzz Adds
[Ingredient Spotlight] Azelaic Acid — What the Trials Show, and What the Buzz Adds
A look at azelaic acid, one of 2026’s most talked-about skincare ingredients, sorted by level of evidence. It covers what trials show for acne, rosacea and melasma, where that evidence... Read more...
[Ingredient Spotlight] Beta-Glucan — The Quiet Barrier Ingredient Everyone's Rediscovering
[Ingredient Spotlight] Beta-Glucan — The Quiet Barrier Ingredient Everyone's Rediscovering
Beta-glucan is being rediscovered as a barrier-first hydrator. Here's what the research supports, what rests on one small study, and which popular claim doesn't hold up. Read more...
[Ingredient Spotlight] Centella Asiatica (Cica) — The One K-Beauty Buzzword That Actually Holds Up
[Ingredient Spotlight] Centella Asiatica (Cica) — The One K-Beauty Buzzword That Actually Holds Up
Cica might be K-beauty's most overused word — but centella asiatica is also one of the rare trending ingredients with decades of real clinical evidence behind it. Here's what actually... Read more...
[Ingredient Spotlight] Postbiotics — Skincare Grows Up From "Probiotic" Marketing
[Ingredient Spotlight] Postbiotics — Skincare Grows Up From "Probiotic" Marketing
Postbiotics promise more precision than the probiotic trend that came before them. Here's what the barrier and sensitivity research actually supports — and where the claims outrun the evidence. Read more...
[Ingredient Spotlight] Exosomes — Skincare's Buzziest Bio-Ingredient, Still Finding Its Feet
Exosomes are one of skincare's most hyped ingredients right now — but the clinical evidence hasn't quite caught up to the marketing. Here's what they actually do, and what's still unproven. Read more...
[Ingredient Spotlight] Bakuchiol — The Retinol Alternative, Minus the Overclaims
[Ingredient Spotlight] Bakuchiol — The Retinol Alternative, Minus the Overclaims
Bakuchiol has spent years as skincare's go-to "gentle retinol alternative," and the clinical data backing it is genuinely solid. We look at what the research actually shows compared to retinol,... Read more...
[Ingredient Spotlight] Copper Peptides (GHK-Cu) — Is the Hype Backed by Data?
Copper peptides (GHK-Cu) have become 2026's fastest-rising peptide search term, but there's real research behind the buzz. We break down what the clinical data actually shows about collagen and wrinkle depth, where the evidence is still thin, and the one common mistake — pairing it with vitamin C — worth avoiding. Read more...
[Ingredient Spotlight] Tranexamic Acid — The Brightening Ingredient With Real Data Behind It
Tranexamic acid (TXA) has gone from a decades-old bleeding medication to one of skincare's most talked-about brightening ingredients. We look at how it works, what clinical research actually supports for melasma and dark spots, and where the evidence still falls short. Read more...
[Ingredient Spotlight] PDRN — What's Actually Behind the Buzz
PDRN has become one of the most talked-about ingredients in K-beauty, originally used in clinical treatments for skin regeneration. But does it deliver the same results in a serum as it does in an injection? We look at what the research actually supports — and where the marketing gets ahead of the science. Read more...