Evidence-led skincare education
Browse practical, carefully reviewed guidance by concern, ingredient and routine question.
Start with a concern or ingredient, then follow the connected guides.
Practical guides for understanding surface blemishes, irritation, spot-care ingredients and realistic timelines.
Dehydrated SkinGuides to tightness, oily-but-dehydrated skin, humectants, pilling and lightweight hydration routines.
Vitamin C and Uneven-Looking ToneClear guides to vitamin C forms, percentages, stability, breakouts, ferulic acid and realistic tone-change timelines.
Retinol AlternativesEvidence-aware guides to Bidens pilosa, bakuchiol, retinol alternatives, sensitive skin, purging and visible-result timelines.
Sensitive SkinGentle-use, irritation and formulation guides for people concerned about dryness, redness or poor tolerance.
Skincare IngredientsIngredient explainers and comparisons covering the active and supporting ingredients used across Lévoju skincare.
33 guides
If you react easily to fragranced skincare, check the full ingredient list rather than relying on vague terms such as gentle or natural. Fragrance is a relevant p...
Read guideA gentle daily cleanser and an exfoliating cleanser are not interchangeable labels. Choose based on the finished formula, your routine and tolerance-not on one in...
Read guideOily skin does not automatically need more washing. Cleansing frequency should reflect sweat, sunscreen, make-up and how the skin feels, with comfort and consiste...
Read guideCream and serum describe product formats, not a universal hierarchy of strength. Choose between them by formula, moisturising needs, layering preferences and the ...
Read guideThe verified Peptide Ageless AM/PM Cream is designed for morning and/or evening use on clean skin. A morning moisturiser still needs a separate appropriate sunscr...
Read guidePeptides are a broad ingredient category. To evaluate a peptide cream responsibly, identify the exact ingredients, examine the complete moisturiser formula and se...
Read guideCoco-Glucoside and Cocamidopropyl Betaine are part of the cleansing system in Radiant Glow Facial Wash. Learn why surfactant names need to be read as part of the ...
Read guideA facial wash can remove ordinary daily build-up, but heavy, long-wear or waterproof make-up may need a suitable first remover. This guide explains when one clean...
Read guideTightness after washing can come from product choice, technique, water temperature, cleansing frequency or underlying dryness. Use this guide to distinguish a cle...
Read guideFerulic acid can complement antioxidant formulas, but the famous C+E+ferulic study tested a specific L-ascorbic-acid blend-not every vitamin C derivative serum.
Read guideA darkening L-ascorbic-acid serum may be oxidising, but derivative formulas and botanical oils can start tinted. Learn which colour change matters.
Read guideNew spots after vitamin C are not automatically purging. Use this formula-level checklist to assess irritation, oils, routine changes and product fit.
Read guideHydration, radiance, texture and dark-spot appearance do not change on one schedule. Build a fair timeline for assessing a retinol-alternative serum.
Read guideNew bumps after a plant-derived retinol alternative are not automatically purging. Use this checklist to distinguish irritation, a formula mismatch and routine co...
Read guideA retinol alternative may avoid the classic retinoid pathway, but gentler is not a guarantee. Learn how to compare ingredients, evidence and formula tolerance.
Read guideSkincare pilling is usually a layering and application problem, not dead skin. Use this five-test method to stop hydrating gel, sunscreen or makeup rolling into f...
Read guideHyaluronic acid and Sodium PCA both bind water, but they are not identical. Learn how they fit into a hydration formula and why moisturiser may still matter.
Read guideMulti-molecular hyaluronic acid combines more than one molecular-size range. Learn what size can influence, what studies show and which claims go too far.
Read guideUndiluted tea tree essential oil is not the same as a finished blemish product. Compare concentration, safety, stability and realistic results before applying it ...
Read guideSalicylic acid and tea tree oil play different roles in blemish care. Learn what the evidence supports-and why the finished formula matters more than the ingredie...
Read guideA practical guide to applying salicylic-acid spot care precisely, reducing irritation risk and knowing when dryness means you should slow down.
Read guideA realistic way to track dark-spot appearance with vitamin C-without confusing flat post-blemish marks with scars or promising a fixed result date.
Read guideWhy vitamin C percentages cannot be compared without identifying the derivative, finished formula, evidence and goal.
Read guideL-ascorbic acid and ascorbyl glucoside are different vitamin C forms. Compare evidence, stability, tolerance and realistic skincare goals.
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