Open Book
Hair, Skin & Nails

Collagen booster

Hair, Skin & Nails

4.8 · 2,100+ reviews

Biotin, vitamin C and hyaluronic acid to boost your body's own collagen production.

Benefits

Collagen boost

Vitamin C and silica support natural collagen synthesis.

Stronger nails

5000mcg biotin for less breakage.

Glow

Hyaluronic acid supports skin hydration.

Ingredients

Open book means nothing hidden. Every dose, on the label.

Biotin5000mcg
Vitamin C120mg
Hyaluronic acid100mg
Bamboo silica50mg

How to use

Take 2 capsules daily with food.

Reviews 4.8 ★ (2,100+)

"Replaced my second coffee. Zero jitters, and I haven't been sick all season."

— Maya R.

"The subscription is a no-brainer. Shows up, I take it, I feel good."

— Jordan K.

"Love the retro bottles and I actually notice a difference."

— Priya S.

FAQ

Hair, Skin & Nails
Support supplement