What is keratin?

Keratin is a protein found naturally in skin, hair, and nails, in addition to other sources. In human hair, it acts as both an external protective shield and an internal structural protein. Keratin is depleted when hair is damaged physically, chemically or from environmental factors, such as the sun.

What is Keratin Complex®​’s Signature Keratin?

Keratin Complex’s Signature Keratin is a proven ingredient that acts as a powerful humidity blocker. It helps stop frizz and repair damage to the hair. It gives hair incredible strength, making it more resilient against uncontrollable factors such as the sun, heat damage and age. 

Smoothing Treatments

What is a smoothing treatment?

A keratin smoothing treatment is a professional treatment that helps repair damage, block humidity, and reduce frizz. 

What does Keratin Complex offer?

As the leading innovator in the hair smoothing industry, Keratin Complex offers a full range of treatments designed to meet the needs of all lifestyles and all types of hair.

  • KCMAX™ Maximum Keratin Smoothing System: Our strongest treatment yet.
  • Natural Keratin Smoothing Treatment (NKST): Signature smoothing solution.
  • Natural Keratin Smoothing Treatment for Blonde Hair (NKSTB): Signature smoothing solution for blonde and fragile hair.
  • Express Blow Out® (EBO): The 15-minute color-locking, speedy smoothing solution.
  • Personalized Blow Out™ (PBO) Same Day Keratin Treatment: Customizable same-day keratin treatment.
  • KCTEXTURE™ Curl Enhancing Keratin Treatment: Curly keratin treatment that requires no heat.

Do Keratin Complex smoothing treatments straighten the hair?

Keratin Complex smoothing treatments are not straightening treatments. Keratin Complex smoothing treatments reduce curl, target weak spots, and reinforce the hair’s structure, helping to repair damage, block humidity, and reduce frizz while leaving hair soft, silky, shiny, and smooth.

How long will the treatment last?

Longevity depends upon the selected treatment. Regular use of Keratin Complex shampoos, conditioners, and styling products will help maintain the longevity of all treatments and ensure optimal results.

  • KCMAX™ Maximum Keratin Smoothing System: Up to 3 months.
  • Natural Keratin Smoothing Treatment (NKST): Up to 5 months.
  • Natural Keratin Smoothing Treatment for Blonde Hair (NKSTB): Up to 5 months.
  • Express Blow Out® (EBO): Up to 6 weeks.
  • Personalized Blow Out™(PBO): Up to 3 months.
  • KCSMOOTH™ Heat Activated Smoothing Treatment: Up to 3 months.
  • KCTEXTURE™ Curl Enhancing Keratin Treatment: Up to 3 months.


Can I get a Keratin Complex treatment if I am pregnant or nursing?

As with any chemical service, pregnant or nursing women should seek the advice of their physician before use.

Does Keratin Complex test on animals?

Keratin Complex does not conduct animal testing, nor does it test its product formulations on animals.

Are Keratin Complex products gluten-free?

Keratin Complex does not claim to be gluten-free. However, you can contact us at 888.409.4445 or email info@keratincomplex.com for a list of ingredients, as some products may be gluten-free.

In-Salon Services

Where can I find a Keratin Complex certified salon near me service?

Call our toll-free number at 888.409.4445 and speak to a customer care specialist for more information. If you are outside of the United States, please select your country location for more information.

Retail Products

Where can I buy Keratin Complex products?

Keratin Complex at-home products and appliances can be found in salons nationwide, authorized professional beauty retailers, and online at keratincomplex.com.

Shipping & Returns

How long will it take for my online order to be delivered?

Online orders received Monday through Friday by 2 p.m. EST are generally processed and shipped on the same day, excluding holidays. Orders received after 3 p.m. will be processed and shipped on the following business day. Orders received on Saturday and Sunday will be processed on the following Monday. We offer UPS Next Day, 2nd Day, 3-Day Select, and ground shipping. For ground shipping, please allow at least five to seven business days for your order to be delivered. We cannot guarantee express delivery to Alaska or Hawaii.

Please note that we can only accept orders being shipped within the domestic United States. Please provide a valid street address. We cannot ship to P.O. boxes. UPS can deliver as early as 9 a.m. EST.

Due to Federal shipping regulations, the following items are eligible for ground shipping only and are not eligible for delivery to Alaska or Hawaii:

  • Flex Flow Flexible Shaping Hairspray
  • KeraWhip® Hydrating Cream Conditioner
  • Glowtion Potion Styling Oil

What is your online return policy?

You may return all or a portion of your order within 30 days of the date of purchase if you are dissatisfied with your Keratin Complex product. Please contact us at info@keratincomplex.com or call 888.409.4445 to arrange a return or exchange.

We will refund your original method of payment
for the portion of the order you are returning, based on the guidelines below, plus the portion of the sales tax associated with that return. Shipping fees are nonrefundable.

All returns require a Return Authorization Number (RA #) and proof of purchase. To receive an RA #, please call 888.409.4445 and ask to speak to a customer care specialist, or email us at info@keratincomplex.com.

Return Authorization requests must be completed within 30 days of receiving your order. Return Authorization requests received after 30 days may not be accepted.

All refunds will be credited to the original payment method.

When submitting an item for return, please obtain an RA # as instructed above. Please write the RA # on your original packing slip and include the packing slip in the return package, retaining a copy for your records. Please also write the RA # on the outside of your return packaging. You are responsible for any return shipping fees. We recommend shipping all return packages via UPS or another reliable carrier.

If your shipment appears to be damaged in transit, please contact us immediately and we will arrange for a replacement.

For more information on our return policy, call us toll-free at 888.409.4445.

Are Keratin Complex appliances covered under warranty?

Keratin Complex offers a one-year limited warranty on all electrical appliances. You must register your appliance within 30 days of purchase.Click here for the Appliance Registry form. To submit a warranty exchange or for more information, emailwarranty@keratincomplex.comor call us toll-free at 888.409.4445.