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Rebuild Boost Dose Set

Size0.2 oz.
Formulated with hydrolyzed vegetable protein to add strengthening benefits to all of The Hair Lab base formulas.

30 Day Money-Back Guarantee
Don't love it within 30 days? It's on us.

Rebuild Boost Dose Set


This damage-repairing dose set customizes The Hair Lab shampoo + conditioner or The Hair Lab leave-in conditioner to meet your needs and supercharge your results. Fortified with hydrolyzed vegetable protein, the strengthening formulas help restore hair’s natural protein, rebuild strands and minimize future damage.


Key Ingredients

Our ingredients take you, your hair and the planet seriously. All of our formulas are free of sulfates, parabens, phthalates, mineral oil and cruelty.

  • Hydrolyzed vegetable protein

    Hydrolyzed vegetable protein

    helps restore hair’s natural protein, rebuilding strands to strengthen hair and minimize future damage.


Before + After

Transform your tresses after one use with your personalized routine.

*Unretouched results after use of a Hair Lab personalized regimen provided for free. Individual results will vary. Results have not been independently verified.

Clean + Conscious

We're serious about clean beauty. Our formulas are free from ingredients that are harmful to you, your hair and the planet. All products are sulfate-free, paraben-free, phthalate-free, mineral oil-free, and cruelty-free. We believe in less waste. Our bottles are made with 25% PCR and boxes are SFI-cerified and recyclable*.

*Check your local curbside recycling program.

Zero guesswork

Hair cair is not one size fits all. Your hair's health is a function of many factors-texture, type, breakage, frizz, treatments, styling tools, pollution- so we start by testing your strangs. Once we know your hair's biology, we build a customized routine to match.


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