K18 Biomimetic Hairscience DAMAGE SHIELD Protective Conditioner
by K18 · hair_care
Editor's Take
A patented peptide and biomimetic lipid system anchored to a legacy quaternary ammonium base , high-tech repair chemistry dressed in old-school conditioning plumbing.
Four-pillar formula scores
- Efficacy: 8.4 / 10
- Modern Tech: 9.2 / 10
- Clean Beauty: 5.9 / 10
- Sustainability: 8.5 / 10
The Verdict
This formula demonstrates genuine technological ambition: the K18Peptide, Ceramide NP, and Phospholipids are doing real structural work, not just cosmetic smoothing. The trade-off is the conditioning base itself , Behentrimonium Chloride, Stearalkonium Chloride, and Polyquaternium-16 are effective but dated, and the undisclosed fragrance and Phenoxyethanol preservative pull the clean score down to 5.9. Worth it if you're chasing keratin repair and don't mind the conventional base; skip it if you want the peptide technology without the quaternary ammonium baggage.
Full INCI list
Water (Aqua) (Eau), Isopropyl Palmitate, Stearyl Alcohol, Propanediol, Isopropyl Diol, Behentrimonium Chloride, Tocopherol, Tocopheryl Acetate, Sh-Oligopeptide-78, Alteromonas Ferment Extract, Prunus Amygdalus Dulcis (Sweet Almond) Oil, Simmondsia Chinensis (Jojoba) Seed Oil, Phospholipids, Jojoba Esters, Calcium Gluconate, Hydroxypropyl Guar Hydroxypropyl Trimonium Chloride, Ceramide NP, Phytosteryl Isostearate, Stearyl/Behenyl Dimer Dilinoleate, Polyquaternium-16, Stearalkonium Chloride, Isopropyl Alcohol, Butylene Glycol, Gluconolactone, Phenoxyethanol, Sodium Benzoate, Citric Acid, Sodium Hydroxide, Fragrance (Parfum), Hydroxycitronellal