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Re:GRO is a daily anti-thinning shampoo built around rosemary oil, biotin, caffeine, saw palmetto and zinc, with probiotics and argan oil for scalp hydration. It targets thinning, fine strands, split ends and postpartum shedding, and its sulfate-free coconut-derived cleansers are gentler than the harsh detergents in many drugstore thickening shampoos. It suits women who want a scalp-first routine rather than a cosmetic volumizer. Owners rate it well overall, though some find it doesn't lather richly and results take months.
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Lowest price we've seen: $9.99 on Nov 12 at Target. Tracked across 13 stores since Nov 12.
Owners with fine, thinning hair generally rate it well, citing softer strands and less shedding over weeks of use. Complaints center on weak lather and the time needed before any visible change.
California Naturals Re:GRO Anti-Thinning Shampoo for Women is a daily shampoo made with scalp-nourishing botanicals. It is made for women with thinning hair, fine strands, split ends, or postpartum shedding.
Rosemary oil nourishes the scalp and strengthens strands, and it helps protect against split ends and breakage. Biotin and caffeine target slow-growing scalps and strengthen fine, brittle strands. Saw palmetto and zinc help block DHT, the hormone linked to hair loss, and help balance the scalp. Topical probiotics and argan oil support the scalp's microbiome and hydrate without heaviness.
The scent is an earthy blend of rosemary, lavender, and clary sage, with notes of tarragon and lemongrass. The fragrances are formulated with up to 94% natural ingredients per ISO 16128 and are gentle enough for sensitive scalps and skin.