Keep the attribution visible
Faith describes the selected formula as99.5% naturally derived and says a new formulation was dermatologically tested on sensitive skin. Simple’s source also uses dermatologically-tested positioning. These are manufacturer or retailer claims. This site has not examined the full study protocols,performed a clinical test or established that every person will tolerate either product.
Do not turn a percentage into a recipe
The99.5% natural-origin claim is not an ingredient-by-ingredient concentration list or proof that the remaining percentage is harmful. It also does not establish a product as a medicine or exclude every possible reaction. The exact current INCI and warnings remain separate fields in a purchase comparison.
A buyer’s evidence question
If a particular testing claim determines the purchase,ask for the current product-specific evidence,including what was tested and the scope of the result. A percentage from a collection page or an unspecified user group should not become a personal prediction. This guide does not invent participant counts,success rates or a dermatologist endorsement.
Separate other badges
Vegan,cruelty-free,recycled packaging and company certifications answer different questions from clinical tolerance. A maker page may show verification widgets,but this site has not independently audited every registry or confirmed the current selected variant’s complete scope. None of those badges is an allergy or disease-treatment approval.
Make a bounded decision
Use supported claims to identify the exact offer,then check current labels and seek appropriate advice for personal concerns. Do not choose a treatment for symptoms from a natural-origin score or assume a higher ticket proves a gentler formula. No hair-growth,scalp-health or clinical-performance outcome is claimed here.
A concrete decision record
A buyer comparing claim badges can record naturally derived,vegan and dermatologically tested in different columns. The first concerns ingredient-origin wording,the second a maker’s animal-derived positioning,and the third a stated testing claim. None gives this site the underlying study,independent certification audit or an individual outcome. Request the particular evidence that matters to the purchase.
Sources & scope
Checked November 5, 2026. Manufacturer and retailer references support the specific statements. Dated displayed prices are not final checkout quotes, performance rankings or performance testing. This shopping reference does not replace the exact product label or retailer instructions. Current received labels and independent clinical/chemical/content/commerce review remain pending.
Boots Simple400ml selected redirect10375990/8219443 ↗
Faith In Nature400ml one-time manufacturer record ↗
Boots Nizoral2%w/w60ml10025089/2695103 ↗
Keep reading
What can I learn from the current ingredient list? ↗
Does SLS/SLES-free mean the formula contains no sulfate ingredient? ↗