Multi-Protein Straightening System

Only 73 items in stock!

For professional use only

Created especially for use on color treated hair, Multi-Protein Straightening System contains a purple pigment, blocking any red, yellow or orange brassiness that may otherwise occur during treatment.

Multi-Protein Straightening System

Penetrates the hair, promoting a re-balance of the molecular structure. This, not only provides greater control over the degree of straightening, smoothing or defrizzing the hair that can be achieved, it also restores hair to health and provides excellent, long-lasting results – leaving the hair looking shiny and feeling revitalized.

• Multi-purpose – straightens hair, relaxes curls, defines curls, or defrizzes – according to your client’s preference.
• Quick and easy to use – apply in just 10-15 minutes.
• Safe – no Formaldehyde, no fumes, no toxins.

Available: 1000ml, 150ml


1. Wash hair with ProAddiction Clarifying Shampoo.
2. Blow dry and comb hair.
3. Apply Multi-Protein Straightening System to small sections of the hair, starting ¼-inch from the root. Comb product through all the way to the tip.
4. Cover the hair with a shower cap and leave to process for 30-60 minutes.
5. Rinse hair thoroughly with clean water. Do not use any product.
6. Blow dry hair.
7. Straighten hair with a flat iron.
8. Wash hair with ProAddiction Hydrating Shampoo followed by ProAddiction Hydrating Mask.

Why Proaddiction?

Proaddiction is the only product available today that can completely eliminate frizz, soften the hair’s texture and straighten the hair all while making it healthier in the process.
Proaddiction is a 100% toxic free product, giving the hairdresser and the client a completely safe environment.
Proaddiction has a unique formula that gives hairdressers the best ability to control colors.
Proaddiction is extremely durable and you will have complete control of the hair’s texture.
Proaddiction is the only product to completely rebuild the hair protein.