99% natural origin - natural hair care formula Cosmos Organic certified - organic hair care product 100% vegan - cruelty-free hair care Sulfate-free formula - gentle hair care Silicone-free formula - lightweight hair care Made in France - premium French hair care Yuka rating 93 out of 100 - excellent product

Nourishing Anti-Frizz Serum – Organic smoothing and protective hair care

The Nourishing & Anti-Frizz Serum Coslys is an organic hair care designed to nourish, smooth and discipline the hair while providing softness, shine and manageability.

Enriched with organic French camelina oil, plant oils and vitamin E, it helps hydrate, repair and protect the hair fiber from roots to ends.

Its formula creates a light protective barrier around the hair, helping control frizz, improve manageability and keep hair smooth throughout the day.

Why include it in a complete haircare routine?

This serum is the perfect finishing step in a balanced haircare routine. It helps care for the lengths without weighing them down, while adding protection and smoothness after washing.

In our Signature Routine – Sensitive Scalp (Eco-friendly), it complements scalp-focused care by helping to smooth the lengths and reduce frizz.

👉 Combining scalp care and length care is key to achieving soft, shiny and well-balanced hair from roots to ends.

Discover the sensitive scalp routine

A lightweight texture with no greasy effect

Its fluid and lightweight texture absorbs quickly without leaving any greasy residue. It is suitable for all hair types, including fine hair.

  • Does not make hair greasy
  • Does not weigh down the hair fiber
  • Easy to apply on damp or dry hair

Key benefits of the Coslys nourishing serum

  • Nourishes the hair fiber
  • Smooths and controls frizz
  • Adds shine and softness
  • Protects the hair from external aggressions
  • Improves manageability

Who is it recommended for?

  • Dry or dehydrated hair
  • Frizz-prone hair
  • Unruly or hard-to-manage hair
  • Dull hair lacking shine
  • Anyone looking for a lightweight finishing care in their hair routine

How to use

Apply a few drops to the lengths and ends, on damp or dry hair. Do not rinse.

👉 Ideal as a finishing step after your haircare routine to smooth, nourish and protect the hair.

A natural and committed formula

  • Cosmos Organic certified
  • Vegan
  • Cruelty-free
  • 100% natural fragrance

This serum can be used on its own. However, it works best as a finishing step in a complete haircare routine, helping maintain softer, shinier and more manageable hair over time.

Technical data
Needs / Objectives Nourrir les cheveux - lisser les frisottis - discipliner la chevelure - apporter brillance - protéger la fibre capillaire
Hair types Dry hair - damaged hair - unruly hair - dull hair - frizzy hair
Usage moment On damp hair - on dry hair - as a finishing step - daily use
Expert level Beginner - easy to use - daily routine
Plant Dye compatible Yes - protects the hair fiber - helps maintain hair quality
Grey hair coverage Suitable for white hair - helps smooth the hair fiber - adds shine - no greasy effect
Color result Does not alter color - helps enhance the hair - adds radiance - improves the look of the lengths
Composition Organic French camelina oil - plant oils - vitamin E - 100% natural fragrance - certified organic formula
INCI ingredients Caprylic/capric triglyceride, coco-caprylate/caprate, helianthus annuus (sunflower) seed oil*, isoamyl laurate, camellia oleifera seed oil*, crambe abyssinica seed oil, octyldodecyl oleate, polyglyceryl-3 diisostearate, octyldodecyl stearoyl stearate, brassica campestris/aleurites fordi oil copolymer, benzyl alcohol, camelina sativa seed oil*, phytosterols, polyhydroxystearic acid, octyldodecanol, tocopherol, parfum (fragrance), dehydroacetic acid, aqua, juniperus virginiana oil, geraniol *Organic ingredients
Directions for use Apply a few drops to lengths and ends - on damp or dry hair - do not rinse - adjust the amount according to hair type
Hair dresser tips Warm the serum between your hands before applying - focus on the ends - use as a finishing step to control frizz - avoid the roots on fine hair
Format Bottle - lightweight texture - leave-in care
Storage Store away from heat - avoid direct light
FAQ Is it suitable for frizzy hair? - Yes - Does it leave a greasy effect? - No - Can it be used every day? - Yes - Is it certified organic? - Yes

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"Nourishing & Anti-Frizz" Hair Serum – Coslys

  • Brand: Coslys
  • Product Code: 0614490
  • Reward Points: 12
  • Availability: 7
  • 11.99€

  • Ex Tax: 9.99€
  • Price in reward points: 1199


Tags: hair serum, anti frizz, dry hair, smoothing care, nourishing care, lightweight serum, finishing care, coslys

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