Not all keratin is created equal. The source matters. Here's how New Zealand wool keratin in KeraRenew actually rebuilds the hair shaft — and what to pair it with.
Keratin treatments are one of the most searched repair solutions in hair care — but not all keratin is created equal. The source of the keratin, and how it's processed, determines whether it actually rebuilds the strand or just coats it.
What keratin actually does for damaged hair
Keratin is the structural protein your hair is made of. Heat styling, color, and chemical processing deplete it, leaving strands brittle and prone to breakage. Replacing lost keratin reinforces the cuticle and restores elasticity.
Why New Zealand wool keratin is different
KeraRenew uses keratin sourced from New Zealand wool — a clean, traceable source that carries peptides small enough to penetrate and repair the hair shaft, not just sit on the surface. The result is real reconstruction, not a temporary coat.
The supporting actives
- ProVitamin B5 prevents flyaways and frizz while locking in moisture.
- A UV absorber safeguards color from fading.
- Aloe Barbadensis heals and soothes the scalp.
Who it's for
KeraRenew is ideal for color-treated, heat-damaged, or chemically processed hair across every texture — from 2A waves to 4C coils. Because it removes scalp build-up without stripping, it's also a strong choice for anyone whose hair has gone limp from product residue.
The takeaway
If you're choosing a keratin product, look at the source. New Zealand wool keratin, paired with ProVitamin B5 and a UV absorber, gives you repair that actually rebuilds the strand — and color protection that lasts.
Pro tips
- 1Look for hydrolyzed keratin small enough to penetrate the shaft
- 2Pair keratin with ProVitamin B5 for moisture lock
- 3Use a UV-protective formula to preserve color