Dark knuckles: the causes, and when they are worth a doctor's opinion
Knuckles are darker than the hand around them in almost everyone, and that is normal. When they darken...
Notes on skin, formulation and ritual.
Slow reading on the science, the texture, and the small daily acts that compound into quiet radiance.
Centella asiatica: what cica actually does in a formula
Centella is the rare traditional ingredient with a modern evidence base, and it earned it in wound care...
How to work out your skin type without guessing
Most people are wrong about their skin type, and the most common error runs in one direction: oily...
AHA and BHA: which acid does what
The difference comes down to one property: whether the acid dissolves in water or in oil. That single...
Aloe vera on the face: what it helps and what it cannot
Aloe is genuinely good at two things and credited with about fifteen. It is also one of the...
Open pores: what changes their appearance and what does not
Pores do not open and close. What changes is how much light falls into them, which is why...
Can you use salicylic acid and niacinamide together?
Yes, and the objection people raise about pH comes from a misreading of a study that was not...
Gel, foam, cream or micellar: which cleanser format suits your skin
Cleansers are sold by format and bought by guesswork. The texture in the bottle tells you less than...
Rubbing ice on your face: what it does and what it does not
Ice gives a real, visible result for about twenty minutes, and a reputation far larger than that. The...