Garnier Fructis Hair Filler + Vitamin C Strength Repair Serum describes a sulfate-free treatment designed to revitalize weak, damaged hair. This advanced system uses vitamin Cg, citric acid, and a repair care complex to fill the hair with strength deep inside the cortex, while delivering visible transformation on the surface. It is intended for use as the fourth step in a four-step routine that aims to restore hair health over time.
The serum targets inner fiber repair by strengthening bonds within the hair fiber’s cortex, helping to fortify the structure from within. Customers can expect an outer visible transformation with up to 79% more strength and up to 4x less breakage when used as part of the dedicated system. The formula is explicitly sulfate-free and free from silicones, parabens, phthalates, DMDM hydantoin, and mineral oil, aligning with a cleaner hair-care approach.
Key benefits
- Inner fiber repair that strengthens broken bonds deep in the cortex
- Outer visible transformation with noticeably smoother, healthier-looking hair
- Up to 79% more strength and up to 4x less breakage when used with the full system
- Formulated without sulfates, silicones, parabens, phthalates, DMDM hydantoin, or mineral oil
- Cruelty Free International Leaping Bunny approved, reflecting a commitment to humane testing standards
Ingredients and how they help
- Vitamin Cg — a stable form of vitamin C that supports antioxidant protection and can aid in reinforcing the hair’s surface feel and appearance
- Citric acid — helps refine the conditioning system and supports pH balance for improved hair texture
- Repair Care Complex — a combination designed to strengthen hair fibers from the inside out, contributing to overall resilience
- Isododecane, Dimethicone, and Dimethiconol — lightweight conditioning agents that help glide formulas through hair and provide slip without weighing hair down
- Glycerin and propylene glycol — humectants that help attract and retain moisture for smoother strands
Usage tips and who this is for
This serum is specifically formulated as step 4 in a 4-step strength repair system, intended for those with weak or damaged hair seeking stronger, more manageable strands. For best results, follow the complete four-step routine as directed: Step 1 Bonding Inner Fiber Repair Pre-Shampoo Treatment, Step 2 Strength Repair Shampoo, Step 3 Strength Repair Conditioner, Step 4 Strength Repair Serum (do not rinse).
Storage and care: store in a cool, dry place away from direct sunlight. If irritation occurs, discontinue use and consult a professional. This product is suitable for consumers seeking a sulfate-free option that aligns with Cruelty Free International Leaping Bunny standards.
The information above reflects the product’s features and typical use. Consistent use of the system is noted to deliver the described inner and outer improvements over time.
Final note: for best results, apply as directed in the four-step system and avoid mixing with products outside the recommended routine.
Disclaimer: This product is not intended to diagnose, treat, cure, or prevent any disease. Always read and follow the product label. Consult a healthcare professional if you have any health concerns.
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