Journal

Evidence, sorted from marketing

Ingredient explainers, the routine mistakes that come up most often, and the occasional myth taken apart. Every entry names its sources and states how strong they are — including when the answer is “not very”.

Ingredient evidence··5 min read

Bakuchiol: how much one trial can carry

What bakuchiol is chemically, what the pilot study and the 2019 comparison measured, why no significant difference is not the same as equal, and the pregnancy question.

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Ingredient evidence··6 min read

Does snail mucin actually work?

A very good lightweight moisturiser with modest, early evidence for fine lines and texture. The collagen story is a laboratory result that nobody has confirmed on a face.

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Product reviews··8 min read

Do under-eye patches actually work?

Twenty minutes visibly de-puffs and softens dehydration lines for a few hours. Pigment, hollows and wrinkles do not move. The protocol, the mechanism and the evidence.

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Ingredient evidence··5 min read

Peptides: a real effect, and a small one

Peptides do something measurable. The magnitude is one nobody wants to print, and the word covers dozens of unrelated molecules.

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Routine mistakes··4 min read

How much sunscreen actually works

SPF is measured at 2 mg per square centimetre. Most people apply a quarter to a half of that, and the protection does not fall politely in proportion.

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