Demonstration record—not live consumer evidence.
Claim Card · demonstration
Luma Arc Heat Brush
“Cuts styling time by at least 40% for thick, shoulder-length or longer hair.”
- Recommender
- @mayarowan
- Disclosure
- Affiliate relationship disclosed
- Intended audience
- Thick, shoulder-length or longer hair; styling three or more times weekly.
- Claim success threshold
- Reduction between cohort medians is at least 40%.
- Population
- Day 30: 184 completed
- Verification
- Day-30 completed and purchase verified: 126
- Completion
- 98 multiple follow-ups
- Time
- Purchase verified across all checkpoints: 151 · Methodology v0.3 · August 4, 2026 · demonstration
Final claim decision
Claim did not hold up
Point estimate: 37.1% observed; at least 40% required. The point estimate was below the threshold.
Threshold certainty: Not supported — upper interval bound is below the predefined threshold.
- Primary claim qualification
- Emerging
Based on the qualifying sample and methodology requirements. Participant-reported claim assessments are displayed separately.
Audit and provenance
Methodology v0.3 · protocol protocol_luma_time_reduction_v0_3 v0.3 · record revision v0.4 · dataset snapshot aftelo-demo-snapshot-2026-08-04-v1-luma (new) · engine aftelo-evidence-engine-v0.4. Prior v0.2 decision retained in correction history.