The K18 Treatment can be used with any existing service you offer. It works with any color, chemical treatment or existing bond builder you already use. No, the formula is lightweight and works from within the hair so hair is left feeling clean and light. K18Peptide™ is not able to regenerate bonds in the presence of too much water inside the cortex. However, the hair needs to be slightly damp to help with penetration of the product into the hair. Wait 4 minutes, then apply 1-3 pumps of K18 professional molecular repair hair mask based on your client’s length and density, starting at the ends and working up towards the roots. Although K18Hair is free of sulfates, parabens, phthalates, silicones, artificial colors, sodium chloride, formaldehydes, is vegan, and cruelty-free, we recommend that clients always consult their doctors as they will have individualized care plans. We are happy to provide MSDS sheet.

The K18 professional molecular repair hair mask is meant to be used as the second part of the K18 molecular repair service. For cases of extreme mineral buildup, process K18 pro chelating hair complex for up to 10 minutes, then rinse and shampoo with K18 PEPTIDE PREP™ detox shampoo. Dry hair as needed, then proceed with the instructions. K18 is designed to be used consecutively for 6 washes and then every 3-4 washes to maintain your healthiest hair possible.In comparison, Olaplex uses patented Olaplex Bond Building Technology ™, that rebuilds broken disulfide bonds to restore strength. The brand's popular weekly pre-shampoo treatment repairs and prevents damage, whereas the K18 mask works to restore your hair to its previous state. Isopropyl alcohol is at a very low level (about 0.5%) in the K18 Mask formula. It is part of an ingredient blend, but it is not directly added to the formulas. It acts as a solvent by making the conditioning agents able to blend into the formulations. For cases of extreme metal + mineral buildup, process up to 10 minutes, then proceed with the instructions. Apply 1-3 pumps of K18 professional molecular repair hair mask based on your client’s length and density, starting at the ends and working up towards the roots.

If cutting, you may start right away. If toning, use K18 Mask then apply toner over K18 Mask. Process as usual. Rinse/shampoo toner, reapply K18 Mask as per instructions above.Working with a skincare research scientist, K18 patented a series of bioactive sequences of keratin decapeptides that interact with larger keratin molecules in human hair, a breakthrough that makes hair repair theoretically possible.