HAIR CARE DESK · UNITED STATESPRACTICAL CALLEDITORIAL CHECK · 2026-08-26
STRAND REPORT

Claims, context, and what the bottle leaves out.

DECISION DESK

Tell dandruff from a dry, flaky scalp before choosing shampoo

Clarify the symptom pattern and product status before assuming every flake needs the same shampoo.

8 SOURCE REFERENCESOWNED USE TEST NOT EXECUTEDU.S. ROUTINE CONTEXT

THE DESK'S CALL

The headline.

Our call: classify the flakes before treating them
02

ON THE RECORD

What keeps the headline honest.

This is an editorial conclusion from the stated context. It is not a claimed product trial, diagnosis, or universal ranking.

Decision change

Preserves the boundary among cosmetic flaking, anti-dandruff drug claims, and scalp conditions requiring evaluation.

Evidence boundary

pH, cleansing strength, deposits, friction, breakage, color retention, and scalp measures are rarely provided with comparable methods.

03

What could overturn the headline.

THE COUNTER-CASE

  • A harsh clarifying wash can worsen a dry, irritated scalp.
  • Persistent or severe scaling should not be self-diagnosed from flakes alone.

STILL UNREPORTED

  • pH, cleansing strength, deposits, friction, breakage, color retention, and scalp measures are rarely provided with comparable methods.
04

BUSINESS DESK

Commercial disclosure

This report contains no affiliate link or paid product placement. We do not turn manufacturer statements into owned findings, and we do not imply a product was used when no dated hands-on protocol exists.

EVIDENCE TRAIL

What the sources carry — and what the desk decides.

The linked sources support product status, labeling, or professional boundaries. They do not prove the editorial winner and they do not stand in for an owned test.

EDITORIAL JUDGMENT

Our call: classify the flakes before treating them

A reasoned course of action; not a product result measured by the source.
BOUNDARY OF THE CALL

A harsh clarifying wash can worsen a dry, irritated scalp.

pH, cleansing strength, deposits, friction, breakage, color retention, and scalp measures are rarely provided with comparable methods.

Primary and professional sources in the record

  1. Is It a Cosmetic, a Drug, or Both? (Or Is It Soap?)U.S. Food and Drug Administration
  2. Cosmetics Labeling ClaimsU.S. Food and Drug Administration
  3. Summary of Cosmetics Labeling RequirementsU.S. Food and Drug Administration
  4. 21 CFR Part 701 — Cosmetic LabelingOffice of the Federal Register / eCFR
  5. 21 CFR Part 740 — Cosmetic Product Warning StatementsOffice of the Federal Register / eCFR
  6. FDA Adverse Event Monitoring System (AEMS)U.S. Food and Drug Administration
  7. My scalp gets flaky even after shampooingu/AntiqueSmile — Reddit r/HaircareScience
  8. Hair cosmetics: an overviewMaria Fernanda Reis Gavazzoni Dias
Data and test conditions still required
Product function and category

Document against the current U.S. product version; keep missing or non-comparable information visibly open.

Ingredient list for the current version

Document against the current U.S. product version; keep missing or non-comparable information visibly open.

Body area and directions

Document against the current U.S. product version; keep missing or non-comparable information visibly open.

Amount, contact time, and frequency

Document against the current U.S. product version; keep missing or non-comparable information visibly open.

Performance under realistic use

Document against the current U.S. product version; keep missing or non-comparable information visibly open.

Regulatory status and applicable labeling

Document against the current U.S. product version; keep missing or non-comparable information visibly open.

Tolerance protocol and stop criteria

Document against the current U.S. product version; keep missing or non-comparable information visibly open.

Separate scalp-care choices from symptoms

Define and retain the conditions, date, material, and outcome before presenting any owned observation.

Balance scalp cleansing and lengths

Define and retain the conditions, date, material, and outcome before presenting any owned observation.

Classify status by intended use and claim

Define and retain the conditions, date, material, and outcome before presenting any owned observation.