Skin 101 Guides

We’re here to tell you what we know, but don’t take it as medical advice. Talk to your medical provider about your specific health concerns.

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Skin 101

Do skincare products expire?

Find out how long skincare, makeup, and cosmetics last—plus, how to store them and when to toss ’em.

5 min read
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Skin 101

Multi-tasking anti-aging ingredients

Anti-aging skincare hacks

6 min read
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Skin 101

Azelaic acid for skin: what it is and how it helps with clogged pores

This pore-unclogging powerhouse busts blackheads, acne, and inflammation

3 min read
How to get rid of back acne with Curology Acne Body Wash
Skin 101

How to deal with body acne

Products and routines to get “bacne” off your back

4 min read
Two arms in boxing gloves, arm on the left punching the hand on the right, all against a purple background
Skin 101

Clindamycin for acne treatment

How clindamycin fights acne-causing bacterium

3 min read
Closeup of foot in a yellow sock stepping and pressing a pink balloon with blue dots, all against a purple background
Skin 101

How to treat cystic acne

Everything you should and shouldn’t do

4 min read
"Acne" written in pink and purple makeup against a peach background, with lipstick and makeup brushes next to the letters
Skin 101

How to deal with hormonal acne

Learn about—and limit!—those breakout cycles.

4 min read
Two bodies in a white and purple hoodie with white flowers instead of faces, against a white background
Skin 101

How to deal with hyperpigmentation

Treating post-acne spots and scars.

4 min read
Woman with bangs with pale whitish powder covering cheek, eye, and part of hair against a green background
Skin 101

Soothe inflammation with metronidazole

Helps soothe skin conditions like POD and acne rosacea

5 min read
Woman with voluminous brown hair in front of purple background
Skin 101

Pores and pore size

Debunking myths about pores, pore size, shrinking pores, and more

4 min read
Person wearing white shirt with black dots and black pants with white dots against a neutral background
Skin 101

Block hyperpigmentation with tranexamic acid

Tranexamic acid helps block hyperpigmentation and reduce inflammation.

3 min read
Hand marking off days on wall 101

Birth control and acne

Find out how birth control affects acne

8 min read
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