Olaplex No. 4 Fine Shampoo
This is a lightweight, salon-grade formula tailored to volumise, strengthen and protect without ever weighing hair down. Perfectly balanced with Olaplex’s award-winning Bond Building Technology™, hyaluronic acid and flexible polymers, this shampoo gently cleanses while boosting body, shine and resilience—clinically proven to rebuild broken bonds and reduce breakage by up to 60%, delivering twice the strength and volume when used as a system . Benefits
- Gentle yet effective cleanse that removes build-up
- Volumises fine hair with natural lift at the roots
- Strengthens and repairs through Bond Building Technology™
- Lightweight hydration from hyaluronic acid—never heavy or greasy
- Clinically proven: 2× volume & strength, 60 % less breakage Perfect For
- Fine or limp hair in need of body and bounce
- Colour-treated or chemically stressed strands
- Anyone seeking lightweight repair with volume
- Users wanting salon-quality results at home How Does It Work?
Olaplex’s patented Bond Building Technology™ actively relinks damaged disulphide bonds within the hair, restoring strength from the inside out. Meanwhile, flexible polymers lift roots, low-molecular hyaluronic acid adds featherlight moisture and a hydra‑balancing matrix ensures fine hair feels clean, soft and buoyant. Results
- Clean, voluminous hair with natural lift that lasts all day
- Smoother, stronger, frizz-controlled strands
- Soft, silky texture suitable for everyday styling
- Damage-resistant and visibly healthier locks
For best results, pair with the Olaplex No.5 Fine Conditioner.