Function of Beauty

<p>Yes, all of the Function of Beauty products are safe for hair extensions.</p><p>Due to the chemical processing that all extension hair undergoes, we recommend using a hair <a href="https://functionofbeauty.com/search?q=hair+mask&amp;_pos=1&amp;_psq=hair+mask&amp;_ss=e&amp;_v=1.0">mask</a> 1 to 2 times per week, aside from your shampoo and conditioner.&#xA0;</p>

Yes, all of the Function of Beauty products are safe for hair extensions. Due to the chemical processing that all extension hair undergoes, we recommend using a hair mask 1 to 2 times per week, aside from your shampoo and conditioner.

Do these products work for hair extensions?

Haircare

What is the You x Function Contract?

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Most Frequently Asked Questions

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Your Account

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Shipping & Returns

What is Function With Benefits?

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Function With Benefits

Are Function of Beauty products safe and natural?

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Pregnancy Safety

Are your products safe to use on children?

Are your products safe to use on keratin-treated or color-treated hair?

Ingredients and Sustainability

What’s My Hair Type?

What is my hair thickness?

Do you have products for oil control?

What are hair goals and how do they work?

Do you offer silicone-free products?

What is my scalp moisture?

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How do I get my SOS Custom Repair Leave-In Treatment airless pump to work?

Pumps

How do you shop by hair type?

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Does Shampoo Expire?

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What body products do you offer?

Bodycare

How does the Function of Beauty haircare line at Target, Walmart, or Amazon work?

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Function of Beauty in Stores

Reviews for Straight Hair

Reviews for Wavy Hair

Reviews for Curly Hair

Reviews for Coily Hair

Customer Reviews by Hair Type

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Function of Beauty TYB Loyalty Program

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What if I am not happy with my customized formula?

Function of Beauty Subscriptions

Do these products work for hair extensions?Updated 8 days ago