#00020
Sell shampoo/soap as a concentrated liquid (or tablet/powder) that the customer dilutes with tap water at home. Removes most of the shipping weight and volume while keeping the product a liquid the customer already knows — preserving brand control over the final formula.
Selling concentrate assumes the product reconstitutes to the same thing at home. That needs real reformulation: predictable dilution across varied tap-water conditions, dry-state shelf stability, sensory performance parity, and a preservative system that still works once water i…