Journal

Notes on skin, formulation and ritual.

Slow reading on the science, the texture, and the small daily acts that compound into quiet radiance.

August 27, 2026 · 4 min read

How much sunscreen to actually apply

The number printed on a sunscreen is measured at an application thickness almost nobody uses. Applying half as...

August 4, 2026 · 4 min read

Does sunscreen remove dark spots?

Sunscreen cannot fade a dark spot that already exists. What it does is stop the spot deepening and...

August 4, 2026 · 6 min read

How to use sunscreen on your face

Cham does not sell sunscreen, which makes this the easiest honest post in the journal. How much to...

July 8, 2026 · 4 min read

Does sunscreen prevent tanning?

Worn properly, sunscreen prevents most tanning, because a tan is the skin's response to UV and sunscreen shrinks...

July 7, 2026 · 4 min read

Does sunscreen cause breakouts?

Some sunscreens do clog pores, and some turn grey or dull on deeper skin tones. Both are formula...

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