Is lemon good for your face? What the juice does to skin
Lemon juice is far more acidic than skin, reacts with sunlight, and delivers almost none of the vitamin...
Notes on skin, formulation and ritual.
Slow reading on the science, the texture, and the small daily acts that compound into quiet radiance.
Pigmentation in pregnancy: what is normal and what to leave alone
Darkening during pregnancy is common, expected and largely self-resolving. The risk is not the pigmentation, it is what...
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...
Dark underarms: the causes, and which ones a product can reach
Underarm darkening has several causes and most of them are mechanical rather than pigmentary. Working out which one...
Sunscreen and vitamin D: the real trade-off
Vitamin D deficiency is genuinely widespread in India, which makes the worry about sunscreen reasonable. The evidence on...
How long skincare lasts after you open it
The expiry date on the box and the small open-jar symbol next to it are answering different questions....
What skincare label claims actually mean
Hypoallergenic, dermatologically tested, natural, clean, chemical-free. Some of these have a defined meaning, most have none, and telling...
How to tell if a skin cream contains steroids
Fairness creams sold without a prescription have repeatedly been found to contain potent topical steroids. What that does...
How to patch test a new skincare product
A patch test costs two minutes and a little patience, and it converts most bad product experiences from...