Kerasilk Liquid Cuticle Filler heat-activated spray 125ml — lightweight thermal protection & smoothing for stronger, shinier hair

KERASILK Liquid Cuticle Filler is a heat-activated spray that rebuilds and smooths damaged cuticles, adds lasting shine and delivers thermal protection for stronger, more resilient hair.

Designed for salon-standard recovery at home, this lightweight 125ml liquid formula uses biomimetic silk and blue lotus extract to restructure the hair surface. It works when heat is applied—creating a sealed, optimized cuticle that resists daily stressors and reflects natural luster without weighing strands down. The vegan formula contains no animal-derived ingredients and is intended as a finishing and protective step before styling with heat tools.

How does this filler rebuild damaged cuticles?

The product deposits a targeted, film-forming layer that bonds with the outer hair surface and fills micro-roughness in the cuticle. When activated by heat, the ingredients reorganize and harden to create a smoother, more uniform hair shaft, reducing friction and visual damage.

• Heat-activated biomimetic silk seals and aligns cuticle scales.
• Blue lotus extract helps refine surface texture for improved shine.
• Spray application targets strands evenly without heaviness.
• Visible smoothing continues after one styling session.

How does it protect hair from thermal styling?

Applied prior to blow-drying, flat ironing or curling, the filler creates a protective barrier that limits heat penetration and reduces breakage from thermal stress. Independent tests report significant improvement in cuticle resistance and overall hair resilience when heat is used as part of the activation process.

• Improves cuticle protection against thermal stressors by up to 93%.
• Makes hair up to 14x more resilient to heat-related damage.
• Formulated to work with common styling temperatures safely.

Will this weight down fine hair or leave residue?

No—KERASILK Liquid Cuticle Filler is formulated to be lightweight and non-greasy, so it won’t overload fine strands. The spray spreads evenly and absorbs during heat styling, leaving hair feeling natural, fuller and soft rather than sticky or heavy.

• Fine-mist spray for even, controlled coverage.
• Quick absorption when combined with heat styling tools.
• Maintains natural movement and volume while smoothing.

How should I use it for best results?

Use on towel-dried hair as part of your pre-styling routine. Spray from mid-lengths to ends, comb through to distribute, then style with your preferred heat tool to activate reconstruction. For maintenance, include it whenever you plan to use heat or want extra surface shine.

• Shake well and spray evenly on damp hair from 15–20 cm away.
• Comb through to ensure full strand coverage.
• Blow-dry or flat-iron to activate biomimetic silk benefits.
• Use before heat sessions or as a protective touch-up on dry hair.

Who is this for: KERASILK Liquid Cuticle Filler suits anyone who uses heat tools or wants visible improvement in surface texture—especially those with chemically treated, color-treated, heat-exposed or naturally rough hair. It’s appropriate for fine to coarse hair because of its lightweight finish, and it appeals to shoppers seeking salon-grade results and vegan formulations without animal-derived ingredients.

Ingredients

Water/Aqua/Eau, Alcohol Denat., Benzyl Alcohol, Dipropylene Glycol, Polysilicone-29, Panthenol, Lactic Acid, Glycerin, Saccharomyces Cerevisiae Extract, Nymphaea Caerulea Flower Extract, Lactobacillus Ferment, Sodium Metabisulfite, Potassium Sorbate, Sorbic Acid, Fragrance/Parfum.