Custom skin & hair care

Dial in
your dose.

Customize every aspect, from feel to fragrance. We build the formula to match.

What is Dosyn

You're one of a kind.
Your formula should be too.

Dosyn is a custom skin and hair care lab. You choose the product, feel, scent and concerns, and we build the formula around you.

STEP 01

Pick a product

Serum, cream, balm, cleanser, shampoo or conditioner.

STEP 02

Choose your base

Then fine-tune every detail into your dream product.

STEP 03

Pick your actives

Countless combinations, for a product as unique as you are.

STEP 04

We build it

Our formula engine builds a custom formula around your picks. Tweak anything you like.

Shop

Best Sellers

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Magic Powder

Magic Powder

Powder Cleanser

Mild SCI powder soap with fine rice polish and 2% niacinamide. Soft polish 2–3×/week.

Add · $22
Copper Crown

Copper Crown

GHK-Cu Peptide Scalp Duo

Shampoo with GHK-Cu, panthenol and caffeine, plus a conditioner with GHK-Cu, panthenol and NaHA.

Add · From $48
Day Shield

Day Shield

CEF Antioxidant Serum

L-ascorbic acid 15%, α-tocopherol 1% and ferulic acid 0.5%.

Add · $22
Peptide Grow

Peptide Grow

Peptide Smooth Duo

Shampoo with GHK-Cu, niacinamide and panthenol, plus a conditioner with GHK-Cu, panthenol and ceramide NP.

Add · $60
Even Glow

Even Glow

Barrier Bright Serum

Ascorbyl glucoside 5%, niacinamide 5% and EGF 0.001%.

Add · $22
Bundles

Build a bundle

Mix and match Pre-Formulated products, a custom formula from the lab, or a mix of both.

Membership

Become a member

Earn exclusive perks, get rewards, and save and share your formulas.

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Proudly made in the United States

Know what's on your skin.

Not just what's in your formula, but where it comes from. Here's where your bases, packaging and shipping materials are made, and where your formula is finished.

Bases
St. Helens, Oregon
Packaging
Kentucky
Shipping materials
New York
Final production
New Jersey