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Is the Cerafill range safe for color-treated hair?
Yes, all products in the Cerafill range are safe for color-treated and chemically treated hair.

Are Cerafill products sulfate-free?
Although Cerafill products are safe for color-treated and chemically treated hair, Cerafill products are not sulfate-free.

What is Minoxidil?
Minoxidil is an FDA-approved drug, clinically proven to regrow hair.* It is only available for sale in the United States.

Is Minoxidil in the Cerafill shampoos, conditioners and other treatments?
No, Minoxidil is a standalone product.

What are Cerafill’s key ingredients?
The Cerafill System Technology includes ceramide to strengthen hair and help prevent breakage, SP-94 to nourish the scalp, filloxane to provide a visibly fuller effect and the separate product, Minoxidil Topical Solution, USP to help regrow hair.

How does Retaliate Shampoo and Conditioner stimulate the scalp?
Both products contain menthol which creates a normal tingling/cooling sensation on the scalp.

Will Dense Fx regrow hair?
No, Dense Fx is not a hair regrowth product. Dense Fx is a breakthrough formula with Filloxane that works on the surface of each strand to provide instant thickening by increasing the diameter by 9%—it’s like gaining 9,000 more hairs after one use!**

Why is there no scalp treatment in the Retaliate range?
Minoxidil Topical Solution, USP hair regrowth treatment, which is applied to the scalp, is the treatment for the Retaliate range for men and women with hereditary hair loss.

How do the Defy and Retaliate ranges differ?
The Defy range of products is for clients who have normal to thin hair. The products in this range are formulated to work best with clients in the early stages of hair loss. Defy formulas contain Zinc PCA a known DHT inhibitor.

The Retaliate range of products is for clients who have visible hair loss and are in the advanced stages of thinning hair. Retaliate products also contain a higher level of menthol for increased stimulation on the scalp when used with massage.

How is Defy different from Redken Body Full? 
Body Full is for fine and flat hair and is for clients who want to add volume. Body Full is part of Redken’s haircare range. Cerafill is a new brand powered by Redken Science. Cerafill is for clients who are concerned with thinning (hair loss). The Cerafill Defy system is for clients who want to add thickness and density to their hair in addition to volume.

Can I use Cerafill if I’m pregnant or undergoing chemotherapy treatment?
All Cerafill products are safe for pregnant women and people undergoing chemotherapy, except Minoxidil. Minoxidil may be harmful if used when pregnant or breast-feeding. See Minoxidil Drug Facts box and product insert. Regarding clients using Minoxidil who are undergoing medical treatments such as chemotherapy, a question of this nature would need to be addressed by the patient’s physician as every case would be different.

Who do I contact for questions about Minoxidil?
For concerns or questions related to Minoxidil, please call the hotline on the package, 1-800-432-8534, Monday – Friday, 9 am -4 pm EST. If Minoxidil doesn’t work or your client  experiences side effects, advise them to consult their doctor. To report a side effect from Minoxidil, please call the Actavis Drug Safety Department at 1-800-272-5525.


*For men and women with hereditary hair loss. It takes time to regrow hair, results may be visible for men after using Minoxidil regularly 2-4 months. Results may be visible for women after using Minoxidil regularly for 4 months. The amount of hair regrowth is different for each person. Minoxidil will not work for everyone. Stop using product if you do not see hair regrowth after 4 months and see your doctor.

**Based on increase in the diameter of existing hairs