Lesson 1Preservatives and antioxidant strategies in natural formulations: phenoxyethanol alternatives, vitamin E, rosemary extract, pH and microbial controlDis section covers natural preservation an antioxidant strategies, including broad-spectrum systems, chelators, an pH control. Yuh wi learn fi slow oxidation, prevent contamination, an design safer, longer-lasting products, mon.
Microbial risks in water-based cosmeticsNatural and nature-identical preservative optionsChelators, pH adjustment, and hurdle technologyVitamin E, rosemary, and other antioxidantsChallenge testing and preservative efficacyLesson 2Humectants, film formers, and humectant alternatives: glycerin, hyaluronic acid, honey, aloe veraDis section analyzes humectants, film formers, an humectant alternatives, explainin how dem bind water, support di barrier, an affect skin feel. Yuh wi compare glycerin, aloe, honey, an hyaluronic acid in varied climates, irie.
Mechanism of humectants in the stratum corneumGlycerin, sorbitol, and sugar-based humectantsHyaluronic acid weights and skin feelAloe, honey, and plant mucilage extractsBalancing humectants with occlusives and oilsLesson 3Essential oils and botanical actives: efficacy, dilution limits, sensitization risk, safe choices for faceHere we explore essential oils an concentrated botanical actives, focusin on evidence of efficacy, dermal limits, an sensitization. Yuh wi learn safe dilution, patch testing, an suitable options fi delicate facial skin, yuh know.
Evidence-based benefits of key essential oilsDermal limits and maximum facial dilutionsPhototoxicity, irritation, and sensitization risksSafer essential oils for facial formulationsUsing CO2 and standardized plant extractsLesson 4Butters, waxes, and emulsifiers used in natural formulas and their rolesHere we explore butters, waxes, an emulsifiers used in natural formulas, focusin on texture, melting profile, an stability. Yuh wi learn fi choose systems dat support skin feel, spreadability, an product integrity, seen.
Shea, cocoa, and mango butters in skincarePlant waxes versus beeswax in formulationsHLB basics for choosing emulsifier systemsNatural emulsifiers and co-emulsifiersDesigning balms, butters, and rich creamsLesson 5Ingredient sourcing, certification terms, and reading INCI labelsDis section explains ingredient sourcing, certifications, an INCI labeling. Yuh wi learn fi interpret organic an natural seals, assess supplier documentation, an read labels critically fi transparency an safety, mon.
Organic, natural, and wildcrafted sourcingKey cosmetic certifications and what they meanSupplier documentation and quality checksReading and ordering INCI ingredient listsSpotting greenwashing on product labelsLesson 6Clays, powders, and botanical exfoliants: kaolin, bentonite, oat flour, rice powder, enzymatic botanicals (papaya, pumpkin)Dis section examines mineral clays, plant powders, an enzymatic exfoliants, comparin particle size, absorbency, an irritation potential. Yuh wi learn fi design gentle yet effective scrubs an masks fi different skin types, irie.
Kaolin, bentonite, and other cosmetic claysOat, rice, and grain flours for gentle polishingFruit enzymes from papaya, pineapple, and pumpkinChoosing exfoliant type by skin conditionSafe usage levels and over-exfoliation risksLesson 7Hydrosols, floral waters, and aqueous extracts: properties and uses (chamomile, rose, lavender)Yuh wi study hydrosols, floral waters, an aqueous plant extracts, comparin composition, stability, an skin benefits. Di section explains sourcing, microbiological risks, an how fi select an blend dem in gentle formulas, yuh hear.
How hydrosols differ from essential oilsKey properties of rose, chamomile, lavenderPreservation needs of hydrosols and tonersUsing hydrosols in mists, masks, and creamsSelecting extracts for specific skin concernsLesson 8Plant oils and lipids: fatty acid profiles, comedogenicity, carrier oil selection (jojoba, squalane, rosehip, sweet almond)Yuh wi examine plant oils an lipids, focusin on fatty acid profiles, oxidation, an comedogenicity. Di section guides carrier oil selection fi different skin types, including examples like jojoba, squalane, an rosehip, seen.
Fatty acid profiles and skin compatibilityOxidative stability and shelf life of oilsComedogenicity scales and acne-prone skinProfiling jojoba, squalane, and rosehip oilsBlending carrier oils for targeted concerns
