K18 Biomimetic Hairscience Molecular Repair Hair Oil – 1 oz / 30 mL
K18 Molecular Repair Hair Oil uses the patented K18PEPTIDE™ to repair frizz-causing damage at the molecular level while natural oils (avocado, sunflower, squalane) instantly smooth the cuticle, enhance shine, and protect hair up to 450°F — all with just 1–3 drops.
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- Powered by K18PEPTIDE™ — repairs damage at the innermost layer of hair fiber
- Silicone-free formula that fights frizz from within, not just on the surface
- Contains avocado oil, sunflower oil, squalane & hemisqualane for nourishment and shine
- Provides heat protection up to 450°F / 232°C to prevent further damage
- Enhances color vibrancy and boosts shine in damaged or color-treated hair
- Highly concentrated — only 1–3 drops needed per use
- Lightweight, non-greasy finish suitable for all hair types
- Size: 1 oz / 30 mL
Caprylyl Caprylate/Caprate, Squalane, Persea Gratissima (Avocado) Oil, Helianthus Annuus (Sunflower) Oil, C13-15 Alkane, Undecane, Benzyl Alcohol, Tridecane, Castor Isostearate Succinate, Propanediol, SH-Oligopeptide-78 (K18Peptide™), Fragrance (Parfum), Tocopherol, Cinnamal, Hexyl Cinnamal, Limonene, Linalool
- Apply 1–3 drops to towel-dried hair from mid-lengths to ends.
- Wait 4 minutes to allow the K18PEPTIDE™ to deliver strengthening benefits before styling.
- Style hair as usual with heat tools or air-dry.
- For extra smoothness, apply 1–3 drops to dry hair as a finishing oil.
- Build up the amount as needed based on hair thickness and damage level.
Free U.S. shipping on orders over $20 — $4.95 flat rate under $20 (USPS Ground Advantage, 2–5 business days). Orders placed before 2:00 PM PT ship the same day.
Unopened, sealed items may be returned within 30 days of delivery. See our Shipping Policy and Refund Policy for full details.
- Free U.S. shipping on orders over $20
- Same-day shipping on orders before 2:00 PM PT