K18 DAMAGE SHIELD pH Protective Shampoo is a color-safe, pH-optimized shampoo with the patented K18PEPTIDE™ that cleanses effectively while maintaining hair health and protecting hair from damage. Its pH-optimized formula helps reduce excess swelling of the hair cuticle during washing, which helps prevent frizz, preserve color and enhance shine. It is scalp microbiome-friendly and gentle enough for every wash, on all hair types — curly, straight, color-treated, fine, thick or coarse. In a consumer study, 91% said hair looks healthier.
Key Benefits
- pH-optimized to limit excess cuticle swelling during washing, helping prevent frizz and preserve color
- 91% said hair looks healthier and 91% said hair doesn't feel weighed down
- K18PEPTIDE™ helps reduce protein loss so hair stays strong wash after wash
- Color-safe and scalp microbiome-friendly, gentle enough to use every time you cleanse
- Sulfate-free, silicone-free and paraben-free, with no phthalates, sodium chloride, artificial colors or formaldehyde
- Cruelty-free (Leaping Bunny certified)
Key Ingredients
- K18PEPTIDE™ (sh-Oligopeptide-78) — the patented biotech peptide that helps reduce protein loss and keep hair strong
- Plant-derived surfactants — gentle, high-power cleansing without sulfates
- pH-optimized base — mimics hair's natural pH so the cuticle stays flat during washing
How to Use
- Safe to use every time you wash.
- Massage into hair, focusing on the scalp.
- Rinse thoroughly.
- Repeat as needed, then follow with conditioner or a K18 treatment.
FAQ
Is K18 DAMAGE SHIELD pH Protective Shampoo sulfate-free?
Yes. It is sulfate-free, silicone-free and paraben-free, and cleanses with plant-derived surfactants. It is also free of phthalates, sodium chloride, artificial colors and formaldehyde.
Can I use K18 DAMAGE SHIELD Shampoo every day?
Yes. It is scalp microbiome-friendly and gentle enough to use every time you cleanse.
Is K18 DAMAGE SHIELD Shampoo color-safe?
Yes. It is color-safe, and its pH-optimized formula reduces excess cuticle swelling during washing to help preserve color and enhance shine.
Available in 8.5 oz/250 mL, 16 oz/473 mL and 31.5 oz/930 mL
