KÉRASTASE Genesis Daily Strengthening Hair Serum, 1 fl oz — Silicone-Free, Anti-Breakage

This daily serum from Kérastase combines ginger, caffeine and arginine in a non-greasy formula to reinforce hair fibers and support scalp vitality. Designed for use on dry or towel-dried hair, the treatment is applied directly to the scalp and distributed by massage. Over consistent use it targets areas of lower density and helps improve hair resistance to mechanical stress like brushing, while leaving no visible residue.

How does this serum reduce hair fall caused by brushing?

The serum works by fortifying the hair fiber and supporting scalp microcirculation. Ginger and caffeine help invigorate the scalp environment while arginine contributes to healthier root support; together they make the strand less prone to breakage when handled. The lightweight vehicle penetrates without weighing hair down or creating buildup.

• Targets mechanical breakage from brushing with fortifying active ingredients
• Light, silicone-free texture that avoids residue and heaviness
• Apply section-by-section for targeted coverage where hair is weakest
• Clinical use shows majority of users see reduced breakage over weeks

When and how should I apply Genesis Hair Serum for best results?

Use the serum morning or evening for a minimum of six weeks to evaluate benefits. Apply four doses to dry or towel-dried scalp in sections, then massage to distribute and absorb; no rinsing required. Regular, consistent application ensures actives concentrate on areas of reduced density.

• Apply 4 doses per session to the scalp, section by section
• Massage gently to promote even distribution and absorption
• Use daily, morning or night, for at least six weeks for visible improvement
• Do not rinse out—leave in to work continuously between washes

What key ingredients are inside and what does each do?

Genesis Hair Serum is formulated with ginger and caffeine plus arginine, each chosen to support hair strength and scalp health. Ginger and caffeine help stimulate the scalp environment; arginine supports blood flow and root support. The composition focuses on reinforcement of the fiber rather than temporary coating, and it is free from silicones for a lighter feel.

• Ginger: invigorates the scalp environment and helps fortify hair fiber
• Caffeine: supports scalp vitality and energizes the area of application
• Arginine: helps sustain microcirculation and supports healthy root conditions
• Silicone-free formula: lightweight finish with no visible buildup

Can I use the serum with other products from the Genesis line?

Yes—the serum complements Bain Nutri-Fortifiant shampoo, Fondant Renforçateur conditioner and Defense Thermique primer to create a full regimen. Together these products work to nourish hair, improve combing resistance and protect strands from heat styling. Use the conditioner and shampoo for routine cleansing and nourishment, then apply the serum as a targeted strengthening step.

• Pair with Bain Nutri-Fortifiant for gentle cleansing and fortified fiber
• Use Fondant Renforçateur to detangle and boost softness
• Finish styling with Defense Thermique for heat protection
• Layering the line supports comprehensive anti-breakage care

Who is this for: Kérastase Genesis Hair Serum is intended for people with normal to dry weakened hair who notice breakage from brushing or have areas of lower density. It suits those who prefer a silicone-free, leave-in treatment that targets mechanical breakage rather than temporary cosmetic coating. Ideal for anyone seeking a lightweight daily fortifying step to integrate into a broader strengthening routine.