Here's why over 10 000 use KR as part of their daily routine

Formula.Five 30ml Formula.Five 30ml

Bond Rebuilding

Restores internal disulphide bonds to rebuild strength and resilience.

Peptide Repair

Reconnects broken keratin chains to reinforce the hair’s structure.

Lipid Layer Restoration

Rebuilds the protective barrier for smoother, softer texture.

Cuticle Sealing

Locks in nutrients and creates mirror-like shine.

Moisture Magnet

Retains hydration for lasting softness and flexibility.

Fast & Effortless

Works in just 5 minutes; no rinsing, no downtime.

Real results from real people

Frequently Asked Questions

Formula.Five is a molecular leave-in repair mask that works on two levels simultaneously. It rebuilds polypeptide chains to restore the hair's structural integrity while repairing broken hair bonds at a molecular level. The result is genuinely rehabilitated hair, not just surface conditioning.

No — Formula.Five is a leave-in product. Apply it and go. It starts working within five minutes and continues repairing your hair throughout the day, so the longer you wear it, the more it works.

Apply a small amount to clean, towel-dried hair after washing. Work it through from mid-lengths to ends, then style as normal. No rinsing required.

Formula.Five is activated and effective within five minutes of application. Because it's a leave-in, it carries on repairing and treating your hair all day — making it one of the most time-efficient professional repair treatments available.

Yes — Formula.Five is ideal for colour-treated, bleached, keratin-treated, or chemically processed hair. It works to reverse the structural damage caused by these processes, helping hair feel stronger, softer, and more resilient with every use.