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
Woman applying topical skincare product to face to treat skin concerns (acne)
Skin 101

Everything you need to know about azelaic acid

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

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

What's the deal with body acne?

The cause of body acne, plus products and routines to get “bacne” off your back.

4 min read
Clindamycin topical treatment for acne breakouts
Skin 101

Clindamycin in acne treatments: benefits and side effects, explained

Fight the bacteria that causes breakouts with this prescription topical acne treatment.

10 min read
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Skin 101

How to treat cystic acne

Everything you should and shouldn’t do

4 min read
Hormonal Acne Cheek Acne Jawline Acne Neck Acne
Skin 101

Everything you need to know about hormonal acne

Adult acne skincare and oral contraceptives to limit those breakout cycles—according to dermatologists.

9 min read
How to clear up dark spots and hyperpigmentation
Skin 101

How to treat hyperpigmentation

Plus, skincare tips for treating post-acne spots.

10 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 calendar.skin 101

Birth control and acne

Find out how birth control affects acne

8 min read
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