WHITENING
Clinical trials for WHITENING explained in plain language.
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Whitening toothpaste with hydrogen peroxide tested for stain removal
Symptom relief CompletedThis study tested whether a toothpaste containing hydrogen peroxide removes tooth stains better than a regular fluoride toothpaste after just one brushing. 80 healthy adults brushed once under supervision, and their tooth stains were measured. The goal is to see if the hydrogen p…
Matched conditions: WHITENING
Phase: PHASE3 • Sponsor: Colgate Palmolive • Aim: Symptom relief
Last updated Jun 27, 2026 08:03 UTC
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Whitening showdown: 5% peroxide toothpaste takes on regular paste in One-Week trial
Symptom relief CompletedThis completed Phase 3 trial tested whether a Colgate toothpaste with 5% hydrogen peroxide and fluoride whitens teeth better than a toothpaste without hydrogen peroxide. Eighty adults brushed with one of the two toothpastes for one week. Researchers measured tooth color changes u…
Matched conditions: WHITENING
Phase: PHASE3 • Sponsor: Colgate Palmolive • Aim: Symptom relief
Last updated Jun 26, 2026 13:13 UTC