Oct 13, 2026Buying Guides

Hard-Water Hair-Care OEM: Build a 300 ml Retail Reset Duo for Distributors

Build a hard-water retail duo around a 300 ml GLDA shampoo and a separate conditioning step. Compare product roles, packs and OEM sample requirements.

Concept illustration of two unbranded 300 ml hair-care bottles, a clear rinse bowl and a smooth hair swatch on a salon counter.



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