AG Care Vitamin C Strengthening Sealant Hair Serum — 2.5 oz leave-in for smooth, glossy ends

If your hair is dry, weakened, or showing early split ends, this lightweight leave-in serum from AG Care is formulated to boost elasticity and surface shine without weighing hair down. Enriched with vitamin C and a complementary blend of botanical oils, the formula is designed to be applied to damp or dry hair as a finishing touch to improve manageability and visual polish.

How does this serum reinforce fragile strands?

The serum delivers vitamin C, known in cosmetic formulations for supporting the hair fiber’s resilience, alongside plant oils that help condition and smooth the cuticle. Together they create a protective layer that reduces friction and helps hair move more freely, which lowers the chance of breakage during styling.

• Vitamin C–infused polish that helps support strand elasticity
• Lightweight oils to reduce tangling and friction
• Non-greasy finish suitable for fine to medium hair types

Can it actually seal split ends and improve shine?

The serum acts as a surface sealant—binding and smoothing frayed cuticle edges to make split ends appear less visible and to reflect light more evenly. While it doesn’t repair a split end structurally, it masks roughness and helps hair look smoother and glossier between trims.

• Creates a glossy surface for improved light reflection
• Temporarily smooths split ends and flyaways
• Ideal as a final styling step for instant polish

How should I use the serum in my routine?

Use a small amount on damp hair before blow-drying for protection and manageability, or apply sparingly to dry ends to tame frizz and boost shine. A little goes a long way—start with a pea-sized dose for short hair or a dime-sized amount for longer lengths and add more only if needed.

• Apply to mid-lengths and ends; avoid roots to prevent buildup
• Works on damp hair prior to heat styling or on dry hair as a finishing product
• Compatible with color-treated and chemically processed hair

What ingredients support the serum’s effect?

Besides vitamin C, the formula is complemented by a natural complex of botanical oils—angelica, lavender, geranium, patchouli, and ylang-ylang—that add conditioning benefits and a pleasant aroma. These oils help soften and regenerate hair surface feel while the serum provides the sealing, smoothing action.

• Vitamin C for fiber resilience and surface appearance
• Angelica and geranium for conditioning and softness
• Lavender, patchouli, and ylang-ylang for nourishment and scent

Who is this for: AG Care Vitamin C Strengthening Sealant is aimed at anyone with dry, brittle, or chemically treated hair who wants a lightweight leave-in product to improve smoothness and shine between trims. It's suitable for unisex use and works well for hair that needs surface smoothing, elasticity support, and a glossy finish without heavy residue.

Ingredients

AQUA (WATER/EAU), DIMETHICONE, DIMETHICONOL, CRAMBE ABYSSINICA SEED OIL, HYDROXYPROPYL METHYLCELLULOSE, POLYSORBATE 20, GLYCERIN, POLYACRYLATE-13, POLYISOBUTENE, AMODIMETHICONE, PHENOXYETHANOL, CAPRYLYL GLYCOL, PARFUM (FRAGRANCE), MAGNESIUM SULFATE, CETRIMONIUM CHLORIDE, INULIN LAURYL CARBAMATE, DIMETHICONE/VINYL DIMETHICONE CROSSPOLYMER, SQUALANE, HYDROLYZED VEGETABLE PROTEIN, PANTHENOL, TRIDECETH-12, LIMONENE, TETRAHEXYLDECYL ASCORBATE, BUTYLENE GLYCOL, CINNAMIDOPROPYLTRIMONIUM CHLORIDE, TETRASODIUM EDTA, BENZYL ALCOHOL, COUMARIN, HELIANTHUS ANNUUS (SUNFLOWER) SEED EXTRACT, ACACIA SEYAL GUM EXTRACT, CALENDULA OFFICINALIS FLOWER EXTRACT, DIANTHUS CARYOPHYLLUS FLOWER EXTRACT, LAVANDULA ANGUSTIFOLIA (LAVENDER) EXTRACT, PINUS PALUSTRIS LEAF EXTRACT, TRIFOLIUM PRATENSE (CLOVER) EXTRACT, CITRIC ACID, CI 19140 (YELLOW 5), CI 16035 (RED 40).