New! cutting-edge HAIR SCIENCE

Custom Haircare, Leveled Up with Damage Repair

cruelty - free

sulfate - free

paraben - free

100% Vegan

Dermatologist Tested

SOS Custom Repair Shampoo
new

Haircare

SOS Custom Repair Shampoo

$32.00
SOS Custom Repair Conditioner
new

Haircare

SOS Custom Repair Conditioner

$32.00
SOS Custom Repair Leave-in Treatment
new

Haircare

SOS Custom Repair Leave-in Treatment

$34.00
SOS Custom Repair Hair Mask
new

Haircare

SOS Custom Repair Hair Mask

$38.00
SCIENTIFICALLY PROVEN, BACKED BY DATA
2x stronger hair 
90% less breakage
*complete SOS system vs untreated hair, instant and 4 weeks results
BEFORE
AFTER
Results on wavy, highlighted hair
“This SOS Custom Repair saved my strands! My hair feels so much healthier, my frizz is under control and spilt ends are banished. I can’t stop touching my soft hair.” - Jessica
Wavy
Thin
Highlights
Heat Styling
BEFORE
AFTER
Results on curly, highlighted hair
“My hair walks into a room before I do, so I’m looking for ways to take care of it. With SOS Custom Repair I know my curls will stay hydrated and frizz-free even if I sneak in a few heat styling moments throughout the week.” - Brenda
Curly
Medium
Highlights
Heat Styling
BEFORE
AFTER
Results on highlighted, straight hair
“My hair feels so soft, nourished and hydrated after using SOS Custom Repair. The Leave-In Treatment is my go-to every time I wash my hair.” -Yoko
Straight
Thin
Highlights
Heat Styling
BEFORE
AFTER
Results on colored, coily hair
“I love experimenting with my hair color which means I need to prioritize hair health to prevent breakage. SOS Custom Repair is my secret weapon to keeping my coils healthy while I keep being me.” -Keturah
Coily
Thick
Colored
Heat Styling

How it works

Two Steps to Custom Haircare

  1. You take a quick, two-minute quiz about your hair history, goals, damage and styling habits.
  2. We formulate made-to-order, tailored haircare, prioritizing naturally-derived ingredients, and ship it to you.

Haircare

Custom Shampoo

$29.00

Haircare

Custom Conditioner

$29.00

Haircare

Custom Hair Mask

$26.00

Haircare

Custom Hair Serum

$31.00

Haircare

Custom Co-Wash

$20.00

Haircare

Custom Leave-in Conditioner

$26.00

Bodycare

Custom Body Lotion

$20.00

Bodycare

Custom Body Wash

$20.00

Clean. Vegan. Cruelty-Free.

The Function Standard

With Function of Beauty, you are guaranteed a highly efficacious formula with no compromises. Always clean, vegan, and cruelty-free, our formulas focus on naturally-derived ingredients and powerful science to meet high efficacy and testing standards.

Still Unsure?

Don’t stress. We've paved our quiz like a yellow brick road. Just a two-minute detour from your day, and spoiler: there's no Wicked Witch at the end, just perfect hair days.

CUSTOMIZE MYFORMULA