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
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
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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

It’s often easier to treat than you think—and you have a ton of options!

10 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

How tranexamic acid can help prevent hyperpigmentation

Tranexamic acid is a game-changer in skincare, helping to prevent hyperpigmentation and reduce inflammation.

6 min read
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Skin 101

The benefits of using zinc pyrithione on your skin

Zinc pyrithione might just be your secret ingredient to fighting acne.

6 min read
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Skincare

Face sunscreen for normal skin

If your skin isn’t prone to dry flakes or shiny oil, here’s how to find the right SPF for your skin type.

10 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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