Kérastase Premiere Serum Filler Fondamental Serum 90ml is a celebrated salon-grade hair serum from the salon-exclusive haircare house Kérastase. Designed to deliver visible filler benefits to weakened, damaged hair, the rich serum delivers a transformative pre-shampoo or styling treatment — perfect for those targeting weakened, fragile or sensitised hair.
About Kérastase Premiere
Kérastase is the salon-exclusive haircare house founded in Paris in 1964 by L'Oréal. The Premiere range is the brand's targeted line for damaged, weakened hair — built around advanced repair and filler actives for visible transformation. Serum Filler Fondamental is the line's celebrated hero serum.
What it does
- Visible filler benefits — fills and reinforces the hair structure
- Targets damage and weakness — designed for fragile, sensitised hair
- Smooth glossy finish — leaves hair softer, shinier and more resilient
- Pre-shampoo or styling treatment — versatile use
- Salon-quality results — Kérastase professional expertise
- Generous 90ml size — substantial value for treatment routines
Who it's for
Premiere Serum Filler is ideal for those with damaged, weakened, fragile or sensitised hair who want a transformative treatment serum. Particularly well-suited to colour-treated, bleached or heat-stressed hair, and as the serum step in a complete Premiere routine.
How to use
- Apply to dry or damp hair, focusing on damaged areas (mid-lengths and ends)
- Massage gently into the hair shaft
- Leave on for at least 5 minutes before shampooing (pre-treatment use), or leave in for styling
- Shampoo and condition as usual after pre-treatment use
- Use weekly for ongoing repair benefits
Specifications
- Size: 90ml
- Format: Hair treatment serum
- Hair type: Damaged, weakened, sensitised
- Use: Pre-shampoo or styling
- Brand: Kérastase
- Range: Premiere Serum Filler Fondamental
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