The One Signature Shampoo
Shampoo·Budget·$10.00·$1.25/oz·solution·Made in USA
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Overall consensus
4.5★ from 11,200 reviews
Aggregated from ~11,200 reviews across retail + community sources (seed).
Ingredients & evidence
- glycerinGold-standard humectant for hydration.strong evidence
Evidence reflects general dermatology consensus, not product-specific trials.
Full ingredient list not yet on file — showing key actives above.
Not medical advice — consult a dermatologist. Conditions are self-declared and never diagnosed by this app.