Agent Nateur

Holi (locks) Strengthening Hair Growth Serum



For stronger, shinier, and healthier hair, look no further than holi (locks), an overnight hair treatment oil from Agent Nateur. Formulated with scientifically-tested bioactives, peptides, and oils, this silicone-free serum encourages growth, boosts shine, and helps your hair reach its full potential.

Why we love it:

  • Suitable for all hair types
  • Follicusan™ is a science-backed, milk-based bioactive that stimulates the scalp and promotes stronger, thicker-looking hair
  • Redensyl™ is a breakthrough plant-based active that reduces hair loss
  • Beracare ARS Hair Serum™ adds shine to dull locks, serving as a plant-based alternative to silicone
  • Kalahari nourishes strands with linoleic acid and vitamin E, controlling breakage and split ends
  • Packed with plant-based, nourishing botanicals including horsetail, hibiscus, green tea, and amla to boost your hair's strength, manageability, and shine

50 mL


Use 1 to 2 dropperfuls for whole-head application. Massage into scalp all the way through the ends of your hair. Apply up to 4 times weekly, ideally at bedtime. Gently massage the serum in circular motions for about 15 minutes and leave it in hair for at least 30 minutes. Best when used overnight. Wash and condition hair after use.

Jena’s Notes: I like to leave this overnight for 8-12 hours and then rinse it out. If I apply it during the day, I towel dry my hair, I apply holi (locks) from my scalp to the mid-section of my hair, apply hair (silk) peptides to the mid-section to ends of my hair and then rinse it out at night.

*in case of contact with eyes or stinging of the skin, rinse thoroughly with water.

shake before use


citrullus lanatus (watermelon) seed, cucurbita pepo (pumpkin) seed, camellia sinensis leaf (green tea), equisetum arvense (horsetail), eclipta alba, emblica officinalis (amla) fruit, hibiscus sabdariffa (hibiscus) seed, coco-caprylate, copaifera officinalis (balsam copaiba) resin (and) passiflora edulis seed, glycerin, aqua, sodium metabisulfite, larix europaea wood, glycine, zinc chloride, camellia sinensis leaf, alcohol denat, panthenyl ethyl ether, inositol, milk protein, lactose, acetyl cysteine, acetyl methionine, sodium citrate, citric acid, butylene glycol, dextran, acetyl tetrapeptide-3 (and) trifolium pratense (clover) flower), rosa damascena, amber, cucumis sativus (cucumber) fruit), citrus paradisi (grapefruit), santalum album, vanila planifolia fruit, *benzyl alcohol, *dehydroacetic acid

*Ecocert approved in Europe for organic cosmetics

non-gmo and gluten-free


Free shipping (3-4 business days) on all orders over $50 shipped within the U.S. Orders are processed the same day or within 24 hours, though it may take longer in certain circumstances like holidays and during special promotional events. Orders received on a non-working day will be dispatched on the next business day.

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