K-Regen Lab uses a repeatable review process so readers can understand how product information, evidence, and editorial judgment contribute to a conclusion.
1. Identity and formula verification
We confirm the product name, size, intended use, ingredient list, manufacturer or authorized retailer information, and relevant regional differences when reliable sources are available. Because formulas can change, readers should compare the current package with the information used in a review.
2. Evidence assessment
We distinguish evidence about an ingredient from evidence about the finished product. A promising ingredient does not automatically prove that every formula containing it will deliver the same result. We consider study design, population, dosage or concentration when known, route of use, duration, relevance to cosmetic use, and important limitations.
- Higher confidence: consistent, directly relevant evidence from reliable primary or authoritative sources.
- Moderate confidence: useful evidence with meaningful limitations or indirect application.
- Preliminary: early, small, laboratory, animal, manufacturer-funded, or otherwise limited evidence that requires caution.
- Unsupported: a claim for which we could not locate adequate support.
3. Formula and usability review
We assess the full formula rather than a single headline ingredient. Relevant factors may include supporting ingredients, potential irritants or allergens, fragrance, texture, layering, packaging, stability considerations, instructions, accessibility, and likely fit for different preferences. When hands-on testing has not occurred, we do not imply that it has.
4. Value and alternatives
Value is judged in context: usable amount, frequency, price at the time checked, formulation, packaging, availability, and credible alternatives. A higher price is not treated as proof of better performance.
5. Conclusion and suitable use cases
Our conclusions identify strengths, limitations, evidence gaps, and the reader for whom a product may or may not be a reasonable option. Rankings and comparisons must use stated criteria; they are not universal medical recommendations.
Commercial independence
Affiliate availability is considered only after editorial selection. An affiliate relationship does not guarantee a positive review or inclusion. Sponsored or supplied products, if accepted, are labeled. See our Affiliate Disclosure.
Updates and corrections
We may revise a review when the formula, evidence, price, availability, safety information, or material facts change. Send correction requests with the relevant URL and supporting evidence to hello@kregenlab.com.