Hotline Skin

Hotline Skin

The Dermis

SPEED DIAL #31

Feb 12, 2026
∙ Paid

Speed Dial is a weekly series of quick tips, simple breakdowns and key concepts you can grasp over breakfast. Learn something new about skincare in as little as 100 and no more than 400 words. Exclusively for paid subscribers of Hotline Skin.

Previous Issue: Atrophic vs. Hypertrophic Acne Scars. Access the full Speed Dial archive here.

The dermis is the l…

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