It should last up to three months depending on the client’s hair type.

Yes, we developed the formulas, so you have the convenience of washing your hair to remove product at the same day.

The best way to maintain your keratin treatment is to use the appropriate maintenance care at home. Please see our 4HAIR Home Care line to find the ideal products for you.

No, the hair should little by little come back to its original texture. The time will vary according with the hair texture and thickness. However, note that the treatment is thermo active and you will need the heat of the blow dryer to make the hair straight.

Yes, the products are safe to be used in chemically treated hair.

You should first apply color or highlights when using the Progressive, the Power and the Bottox keratin. However, when using the Hemp Healing Mask, you should color after the treatment is completed

Only the Hemp Healing mask with apple steam cells and hemp oil is formaldehyde free. Please go to the product page for more information or how to apply.

You can use any of the keratins and any of the treatments. However, test a small section of hair when applying the Hemp Healing Mask to previously relaxed hair.

The flat iron should be applied in small sections using the help of a fine comb. The flat iron should be applied continuously from top to bottom of every section without stopping. The temperature of the iron should be at 400 F. If the hair is fragile the temperature can be lower to 350 or 380 degrees.

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