Has your dermatologist diagnosed
you with a skin allergy?

Let us know your patch test results to have a Formulate chemist design a custom shampoo & conditioner without them!

  100% Customized
  Personal Chemist
Customized shampoo & conditioner
based on your patch test results.
Personalized shampoo & conditioner based on your patch test results
How It Works
Answer questions about yourself
Help your chemist get to know you by answering a few initial questions.
Get matched with a personal chemist
Your personal chemist will design your initial formulas.
Your initial custom formulations arrive
Designed by your chemist, freshly dispensed in the USA.
Check-in, make adjustments
Your chemist will check your progress and make formulation changes as needed.
Top Contact Allergens
Parabens
Parabens are a group of chemicals widely used as artificial preservatives in cosmetic and body care products.
Benzophenone
Used as a fragrance enhancer or to prevent products from losing scents and colors in the presence of UV light.
Cocamidopropyl Betaine
A mild, amphoteric surfactant derived from coconut oil, known for its gentle cleansing, foaming, and conditioning properties. It helps improve lather, reduce irritation, and enhance the overall sensory experience.
Formaldehyde
Formaldehyde is used as an astringent, disinfectant, and preservative in cosmetics
Iodopropynyl Butylcarbamate
Used as a preservative in cosmetic formulations.
Methylchloroisothiazolinone (MCI)
Methylchloroisothiazolinone is a preservative that's active against bacteria, yeast, and fungi.
Propylene Glycol
Propylene glycol is used as an emulsifier to keep the the product mixed.
World's first personal
formulation chemistry service.
Work directly with industry-leading chemists to design formulas around your allergies and to solve your hair & scalp goals. Each custom formula is created based on your unique characteristics and adjusted with your progress.