People with fine, medium, or limp hair who want volume and body without the heaviness of a standard leave-in — KMS specifically formulates this for fine-to-medium hair rather than positioning it as a universal leave-in for all textures. Suitable for any experience level as a simple spray-and-style product, sold at retail as well as through salons.

The two-phase design is the differentiator: one phase does its conditioning and detangling work while hair dries and then evaporates away, while the other phase — carrying the volumizing polymers — stays on the hair afterward, so fine or limp hair gets lift and body that isn't washed away by the drying process the way a single-phase leave-in would be.

Apply to shampooed, towel-dried hair, focusing on mid-lengths and ends. Comb through for even distribution and style as usual — there's no need to rinse it out.

Pros

• Two-phase formula is purpose-built for fine/limp hair rather than a generic leave-in repurposed for volume.
• Brand-stated benefit of up to 40% more volume with instant detangling and no rinsing required.
• Vegan formulation with no animal-derived ingredients.
• Weightless enough to use daily on fine hair without buildup, per its fine-hair-targeted design.

Cons

• Contains alcohol denat., which can be drying to hair or scalp with frequent, heavy use.
• Includes synthetic cosmetic dyes, which may matter to users seeking dye-free formulas.
• Not intended for coarse, thick, or very dry/damaged hair, which needs more substantial conditioning.
• Not a deep-conditioning treatment — it's a light, leave-in volumizer, not a repair product.