Lesson 1Antioxidants and skin lighteners: vitamin C (pure L-ascorbic acid vs other forms), vitamin E, niacinamide, kojic acid, tranexamic acid — effectiveness, stability, irritation chancesThis lesson covers antioxidants and lightening agents, comparing vitamin C types, vitamin E teamwork, niacinamide's multiple benefits, and kojic and tranexamic acids. It discusses keeping them stable, packaging, irritation risks, and real hopes for improving skin tone in Zambian climates.
L-ascorbic acid versus stable derivativespH, concentration, and vitamin C stabilityVitamin E and antioxidant network synergyNiacinamide for barrier and dyschromiaKojic and tranexamic acids in melasmaIrritation risk and tolerability strategiesLesson 2Moisturisers and water binders: hyaluronic acid, glycerin, urea, propylene glycol — size of molecules, strengths, how to applyThis lesson details key water binders and moisturisers, focusing on hyaluronic acid sizes, best strengths, product types, combining with others, and advice for dry skin, weak barriers, and use with irritating treatments in Zambian pharmacies.
Hyaluronic acid molecular weight profilesGlycerin and classic humectant mechanismsRole of urea at low and high strengthsPropylene glycol and related glycolsChoosing textures for dry and oily skinLayering hydrators with active treatmentsLesson 3Retinoids and retinol options: retinol, adapalene, tretinoin — strength, dosing steps, handling irritation, warnings (pregnancy)This lesson explores skin retinoids and retinol choices, covering how they work, picking strengths, slow build-up plans, reducing irritation, mixing routines, and key safety rules, including for pregnancy, breastfeeding, and sun sensitivity in Zambia.
Retinoid receptor targets and skin actionsPotency ranking of common topical retinoidsStarting doses and titration schedulesManaging irritation and retinoid dermatitisRetinoids in acne, photoaging, and melasmaPregnancy, lactation, and safety counselingLesson 4Treatments for dark patches and marks after inflammation: hydroquinone how it works and safety, other options and mixing methodsThis lesson covers treatments for dark patches and post-inflammation marks, explaining hydroquinone actions, strengths, treatment length, and safety. It reviews alternatives without hydroquinone and smart mixing to boost results and safety in Zambian practice.
Melanogenesis targets of hydroquinoneHydroquinone strengths and treatment cyclesSafety, ochronosis, and monitoringNon-hydroquinone lightening optionsCombination regimens and cycling plansCounseling on sun protection and relapseLesson 5Sun protection ingredients and blockers: mineral vs chemical sunscreens, full UV cover, SPF vs UVA measures, sun stability and product tipsThis lesson analyses sun blockers and protection ingredients, comparing chemical and mineral types, SPF and UVA ratings, stability in sun, and product feel. It guides choices for sensitive, acne-prone, and dark-skinned types, plus advice for Zambian patients.
Organic versus inorganic UV filtersSPF, UVA-PF, and critical wavelengthPhotostability and filter combinationsTexture, finish, and skin type matchingAdjunct antioxidants in sunscreensCounseling on correct dose and reapplicationLesson 6Interactions, body absorption, and warnings: pregnancy/breastfeeding notes, clashes with other medicines, build-up irritation riskThis lesson discusses body uptake, growing irritation, and warnings for dermocosmetic actives. It covers advice for pregnancy and breastfeeding, medicine interactions, multi-product routines, and pharmacist ways to lower overall risks in Zambia.
Percutaneous absorption determinantsPregnancy and lactation risk categoriesInteractions with topical and oral drugsCumulative irritation from multi-activesHigh-risk areas and compromised skinPharmacy triage and referral criteriaLesson 7Calming ingredients and redness reducers: centella asiatica, allantoin, feverfew, bisabolol, oatmeal powder — proof and everyday useThis lesson reviews calming and redness-reducing ingredients like centella, allantoin, feverfew, bisabolol, and oatmeal powder. It discusses how they work, study evidence, product forms, and adding them to plans for rosacea and sensitive skin in Zambian settings.
Centella asiatica triterpenes and repairAllantoin and epidermal soothing actionsFeverfew and botanical anti-inflammatory dataBisabolol and chamomile-derived activesColloidal oatmeal and barrier supportUse in rosacea, post-procedure, and eczemaLesson 8Anti-swelling and barrier-fixing ingredients: niacinamide, panthenol, ceramides, cholesterol, fatty acids — uses for sensitive and dry skinThis lesson focuses on anti-swelling and barrier-repair ingredients like niacinamide, panthenol, ceramides, cholesterol, and fatty acids. It explains barrier fat balances, picking products for sensitive skin, and help during irritating treatments in Zambia.
Niacinamide for inflammation and barrierPanthenol and stratum corneum hydrationCeramide classes and skin lipid balanceCholesterol and free fatty acid rolesIdeal lipid ratios in moisturizersRegimen design for sensitive dry skinLesson 9Skin peelers and pore cleaners: salicylic acid, benzoyl peroxide, azelaic acid — how they work, strengths, forms, side effectsThis lesson examines peeling and pore-clearing agents like salicylic acid, benzoyl peroxide, and azelaic acid. It covers actions, strength levels, product types, mixing plans, and ways to cut irritation, stains, and barrier harm in pharmacy advice.
Salicylic acid penetration and comedolysisBenzoyl peroxide antimicrobial actionsAzelaic acid for acne and dyschromiaLeave-on versus rinse-off formulationsCombining with retinoids and antibioticsIrritation, staining, and dryness control