Frequently Asked Questions

Get answers to common questions about Olaplex or K18 Bonding Treatment.

Results can be seen immediately, with benefits typically lasting 4–8 weeks depending on washing, styling and at-home care. Regular maintenance treatments or home products extend longevity and preserve bond strength.

Yes — both Olaplex and K18 are formulated to work with colored hair. They rebuild bonds without affecting color. Your stylist will assess porosity and timing to ensure optimal results and color integrity.

Absolutely. These treatments are commonly added during or after color and lightening services to protect and repair bonds. Your stylist will advise whether it should be applied during the service or as a finishing step.

One in-salon treatment often delivers noticeable improvement, but severely damaged hair may benefit from a series of 2–3 treatments spaced a few weeks apart, plus recommended at-home maintenance for best results.

You’ll notice immediate improvements in softness, strength and manageability, but full bond rebuilding and long-term repair may require multiple sessions and consistent home care to reverse severe heat damage.

Yes — we recommend sulfate-free, bond-supporting shampoos, conditioners and at-home boosters from the same lines. MAC Hair Design can recommend and supply the right products to extend salon results and protect hair between visits.