# A Cosmetic Study to Measure the Change in Tooth Colour After Using Instant Whitening Prototypes Compared to a Negative Control

> **NCT06800443** · NA · COMPLETED · sponsor: **Unilever R&D** · enrollment: 68 (actual)

## Conditions studied

- Tooth Color

## Interventions

- **OTHER:** Silica-based fluoride toothpaste containing clay, charcoal, blue covarine and green covarine
- **OTHER:** Silica-based fluoride toothpaste with blue covarine
- **OTHER:** Silica-based fluoride toothpaste with blue covarine
- **OTHER:** Control silica-based fluoride toothpaste

## Key facts

- **NCT ID:** NCT06800443
- **Lead sponsor:** Unilever R&D
- **Sponsor class:** INDUSTRY
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2018-12-03
- **Primary completion:** 2019-01-04
- **Final completion:** 2019-01-04
- **Target enrollment:** 68 (ACTUAL)
- **Last updated:** 2025-01-30


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT06800443

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT06800443, "A Cosmetic Study to Measure the Change in Tooth Colour After Using Instant Whitening Prototypes Compared to a Negative Control". Retrieved via AI Analytics 2026-06-25 from https://api.ai-analytics.org/clinical/NCT06800443. Licensed CC0.

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