The supplied report compares sample water-loss rates with a 5% glycerol control in a laboratory method. At 2, 4, 6 and 8 hours, sample values are 76.21%, 76.53%, 76.85% and 77.11%; control values are 85.18%, 85.50%, 85.88% and 86.27%. These are laboratory sample water-loss measurements, not human scalp water-loss values or a promise of eight-hour scalp hydration.

Document details

Reference number
WDZGX26060088-1
Issuer
广东万德检测技术股份有限公司
Issue date
2026-07-01
Method & conditions
Laboratory sample water-loss comparison with a 5% glycerol control, measured up to 8 h.
Reported conclusion
At 8 h: sample 77.11%; 5% glycerol control 86.27%.
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