Fragrance in skincare: when it actually matters
Fragrance is the most common cause of allergic contact reactions in cosmetics and also the reason most people...
Notes on skin, formulation and ritual.
Slow reading on the science, the texture, and the small daily acts that compound into quiet radiance.
Vitamin E in a formula: what it is actually doing there
Vitamin E holds two jobs in skincare, and only one of them is about your skin. The antioxidant...
Glycerin: the workhorse nobody puts on the front label
Glycerin appears in more skincare than any active ever will and gets none of the marketing. How humectants...
What non-comedogenic actually tells you
Non-comedogenic is a useful label with less legal machinery behind it than most people assume. Where the term...
Why vitamin C serums turn yellow, then brown
A vitamin C serum that has gone amber is telling the truth about its own chemistry. What oxidation...
Vitamin C serum side effects: what is normal and what is not
Vitamin C has a gentler reputation than it deserves. A brief tingle can be normal; stinging, redness and...
Acne marks and acne scars are not the same thing
Most of what gets called acne scarring is not scarring. The difference decides whether skincare can help at...
How melanin actually works, and what reducing it can really mean
Melanin is the most searched-about and least explained part of skin biology. What it is, why it varies...
Kojic acid vs alpha arbutin: an honest comparison
Kojic acid and alpha arbutin slow the same enzyme, so the real differences are temperament: stability in the...