Why the skin around your mouth darkens - sun, threading, friction, melasma - how to tell melasma from post-inflammato...

Dark inner thighs are friction pigmentation, not dirt. Why they happen, how to tell them apart from acanthosis nigric...

Steam softens the plug inside a pore but cannot open or shrink pores, and can worsen inflamed or fungal acne. What fa...

PHAs exfoliate at the surface and hydrate while they work. How gluconolactone and lactobionic acid compare with AHAs ...

No - toothpaste contains no acne active and can cause irritation, peeling and lasting dark marks. Where the myth came...

Freckles are genetic and UV-triggered, not sun damage in themselves. How to tell them apart from melasma and sun spot...

Razor bumps are ingrown hairs, not acne. Why they form on the neck and jaw, how to change your shave to prevent them,...

Mosquito bite marks are post-inflammatory hyperpigmentation, not scars. Why legs take longest to clear, what actually...

Alcohol does not directly cause acne but reliably worsens it through dehydration, disrupted sleep, blood sugar spikes...

Pore strips remove the oxidised surface plug and sebaceous filaments, not the whole blackhead. Why they return within...

Adapalene is a topical retinoid that stops pore blockages forming. How it differs from retinol and salicylic acid, ho...

PA measures UVA protection; SPF measures UVB. Here is what PA+, PA++, PA+++ and PA++++ actually mean, how the PPD tes...