
Simmondsia chinensis seed oil (Jojoba Oil)
A nourishing plant oil that provides intensive care and protects delicate lips from dehydration while maintaining natural moisture balance.
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K18 Damage Shield is designed for people whose hair has been damaged by coloring, heat styling, or environmental stress and need to rebuild its strength. The conditioner uses peptide technology to work on the hair's structure, helping restore elasticity and reduce breakage with regular use. This 930ml professional-size bottle is suitable for all hair types.
K18Peptide (Biomimetic Peptide)
Patented 18-amino-acid peptide that reconnects broken keratin chains and polypeptide bonds deep within the hair cortex to reverse damage at the molecular level.
Arginine
An amino acid that seals the hair cuticle, smooths frizz, and strengthens the hair shaft for improved elasticity and resilience.
Hydrolyzed Keratin
Fills structural gaps caused by chemical treatments and heat styling, restoring tensile strength and reducing breakage.
Panthenol (Pro-Vitamin B5)
Penetrates the hair cortex to attract and retain moisture, improving softness, shine, and flexibility while reducing brittleness.
The K18 Damage Shield Protective Conditioner in the 930ml professional size is a salon-grade, science-backed formula engineered to rebuild and protect hair from within. Powered by K18's patented biomimetic peptide technology, it works at the molecular level to reverse damage caused by chemical treatments, heat styling, and environmental stressors.
Each application deeply nourishes the hair's inner structure, restoring broken keratin chains and rebuilding polypeptide bonds to deliver measurably stronger, more resilient hair. A protective shield forms around every strand to prevent future breakage, lock in moisture, and restore natural elasticity. Hair is left noticeably smoother, softer, and healthier with every use.
Trusted by professional stylists worldwide, this large-format bottle is designed for consistent, high-performance conditioning in both salon and at-home routines. Suitable for all hair types including color-treated, chemically processed, and heat-styled hair.
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Estimated delivery: 1–3 business days
14-day hassle-free returns
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A nourishing plant oil that provides intensive care and protects delicate lips from dehydration while maintaining natural moisture balance.

A powerful antioxidant that protects against free radicals and helps maintain the skin's natural defense mechanisms.

A nourishing ingredient derived from rice bran that provides intensive treatment properties and helps regenerate dry and chapped lips.

A UVA and UVB filter that defends delicate lip tissue against sunburn and its consequences with SPF 30 protection.
Apply generously to clean, towel-dried hair from mid-lengths to ends. Leave on for 3 to 5 minutes to allow the peptide formula to bond with the hair structure. Rinse thoroughly with cool water. Use after every shampoo for best results.
Specs last updated: June 16, 2026
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