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K18 price tracker

As of July 2026 we track 15 K18 products; the best value is K18 Damage Shield Protective Conditioner for Damaged Hair… at $3.69/fl oz. Prices re-checked continuously.

Best value we track

K18 Damage Shield Protective Conditioner for Damaged Hair…$3.69/fl oz

Independent test results

No third-party lab data tracked yet for this brand.

Every K18 price we track

ProductCost per unitPack
K18 Damage Shield Protective Conditioner for Damaged Hair - Color Safe…$3.69/fl oz≈ 16 fl oz
K18 Peptide Prep Detox Shampoo - Color Safe Clarifying Shampoo for Build Up…$3.69/fl oz≈ 16 fl oz
K18 Damage Shield Color Safe Shampoo - pH Protective Shampoo Safe for Color…$3.69/fl oz≈ 16 fl oz
K18 Peptide Prep Detox Shampoo - Color Safe Clarifying Shampoo for Build Up…$4.59/fl oz≈ 8.5 fl oz
K18 Damage Shield Protective Conditioner for Damaged Hair - Color Safe…$4.59/fl oz≈ 8.5 fl oz
K18 Damage Shield Color Safe Shampoo - pH Protective Shampoo Safe for Color…$4.59/fl oz≈ 8.5 fl oz
K18 Damage Shield Protective Conditioner$7.78/fl oz≈ 1.8 fl oz
K18 Damage Shield Protective Shampoo$7.78/fl oz≈ 1.8 fl oz
K18 TripleBright Oxidation Defense Purple Shampoo - Non-Staining Blonde Shampoo…$9.29/fl oz≈ 4.2 fl oz
K18 HeatBounce Conditioning Heat Protectant Spray$12.00/fl oz≈ 4 fl oz
K18 HeatBounce Conditioning Heat Protection Spray for Hair + Leave…$15.01/fl oz≈ 1.6 fl oz
K18 Leave-In Molecular Repair Hair Mask - Peptide Hair Treatment Mask for Bleach$44.10/fl oz≈ 1.7 fl oz
K18 Leave-In Molecular Repair Hair Mask - Peptide Hair Treatment Mask for Bleach$57.95/fl oz≈ 0.5 fl oz
K18 Molecular Repair Hair Oil - Strengthening Peptide Damaged Hair Treatment Oil…$64.94/fl oz≈ 1 fl oz
K18 Molecular Repair Hair Oil - Strengthening Peptide Damaged Hair Treatment Oil…$79.06/fl oz≈ 0.3 fl oz