SESH Academy: Complete Skincare and Fragrance Lessons

The current SESH Academy curriculum, organized by track and level, with a dedicated searchable page for each lesson.

Skincare · Beginner (29)

  1. How your skin works | SESH Academy
  2. Oily, dry, combination or normal?
  3. Dry skin vs dehydration
  4. The skin barrier: how skin holds on to water
  5. Choose a cleanser that cleans comfortably
  6. Types of cleansers
  7. When to double cleanse
  8. Moisturizer: hydration, softness and water retention
  9. What is a serum?
  10. Choosing a serum by concern
  11. UVA and UVB
  12. Mineral and organic sunscreen filters
  13. Sunscreen: read the label and use it well
  14. How much sunscreen and when to reapply
  15. Types of acne lesions
  16. Why acne happens
  17. Acne, pores and texture are different things
  18. Irritation versus allergy
  19. Causes of hyperpigmentation
  20. Types of dark spots
  21. Marks, pigmentation and dullness: tell them apart
  22. Exfoliation, AHA and BHA: differences and use
  23. An active-ingredient map: choose a purpose first
  24. Active ingredients by concern
  25. Introducing actives safely
  26. Build a skin routine
  27. A simple routine with a purpose for each step
  28. Body care: dryness, keratosis pilaris and friction marks
  29. Nails: growth, breakage and cuticle care

Skincare · Intermediate (40)

  1. Analysing a skin case with multiple concerns
  2. Tightness, itch and burning: interpreting similar symptoms
  3. Causation versus coincidence in skin changes
  4. Hormones, weather and daily habits as skin variables
  5. When to refer: the limits of cosmetic skincare
  6. Comedonal versus inflammatory acne: different decisions
  7. Salicylic, benzoyl peroxide, adapalene and azelaic acid
  8. Hormonal, friction-related and product-associated breakouts
  9. Not every bump is acne: rosacea and folliculitis
  10. Acne recurrence, meaningful progress and scarring prevention
  11. PIH, PIE and melasma: practical distinctions
  12. Pigment pathways, hormones and UV triggers
  13. Brightening ingredients: niacinamide, vitamin C, arbutin, azelaic
  14. Visible light, iron oxides and melasma protection
  15. Pigmentation plans: prevent new marks and track existing ones
  16. Recognising routine-induced irritation
  17. Retinoid and acid irritation: expected effects versus warning signs
  18. Rosacea, eczema and contact dermatitis patterns
  19. Ceramides, cholesterol and fatty acids in barrier care
  20. Reintroducing actives after a disrupted routine
  21. Retinol, retinal, adapalene and tretinoin compared
  22. Vitamin C forms, stability and formula performance
  23. Peptides and the difference between mechanism and proven outcome
  24. AHA, BHA and PHA: designing a sensible exfoliation choice
  25. Layering active ingredients: benefit versus irritation
  26. Reading INCI: useful signals and what it cannot reveal
  27. Why a higher active percentage is not automatically better
  28. Leave-on versus rinse-off: how contact changes exposure
  29. pH, stability and packaging in finished skincare formulas
  30. Same active in serum, cream and toner: do results match?
  31. SPF, UVA-PF and PA: interpreting protection claims
  32. Visible light and targeted tinted protection
  33. Sunscreen with makeup, sweating and outdoor activity
  34. Sunscreen troubleshooting: eye stinging, white cast and pilling
  35. Sunscreen case selection: melasma, retinoids and reactive skin
  36. Case study: oily skin, inflammatory acne and dark marks
  37. Case study: dry reactive skin and early fine lines
  38. Case study: combination skin, daily makeup and sweat
  39. Body case: keratosis pilaris, back bumps and friction marks
  40. Eight-week routine review: meaningful outcomes and decisions

Skincare · Advanced (40)

  1. Skin inflammation: useful defence or persistent damage?
  2. Epidermal cells and immune surveillance
  3. The skin microbiome: beyond balancing claims
  4. UV exposure, oxidative stress and photoaging
  5. Barrier recovery: what meaningful improvement looks like
  6. Acne, marks and irritation: set the right priority
  7. Acne, rosacea or dermatitis? Decision boundaries
  8. Melasma relapse and uneven results: assess triggers
  9. Eyelid and perioral reactions: stop guessing triggers
  10. When a beauty problem needs a clinician
  11. Fast absorption is not proof of biological action
  12. Active dose, release and exposure time
  13. Vehicle, contact time and leave-on versus rinse-off
  14. Liposomes, encapsulation and delivery claims
  15. From penetration studies to real human benefit
  16. Emulsions, textures and what they cannot predict
  17. pH, free acid and interpreting labels
  18. Preservation, contamination and product safety
  19. Oxidation, packaging and ingredient stability
  20. How to read stability and shelf-life evidence
  21. Study design, control groups and fair comparisons
  22. Effect size, uncertainty and statistical significance
  23. TEWL, pigmentation scales and clinically useful outcomes
  24. Bias, funding and generalising research claims
  25. Three conflicting studies: build an evidence verdict
  26. Intrinsic ageing versus photoageing
  27. Retinoid outcomes: evidence, tolerability and limits
  28. Sunscreen prevention versus reversal claims
  29. Topical collagen and peptides: what can be measured?
  30. A realistic long-term skincare plan
  31. Hot weather, humidity and routine adaptation
  32. Acne with sensitivity: prioritise tolerance
  33. When skin needs change: stress, weather and medication
  34. Budget, simplicity and long-term adherence
  35. Pregnancy, breastfeeding and medical boundaries
  36. Case lab: acne, pigment and sensitive skin
  37. Case lab: conflicting brightening evidence
  38. Case lab: interrogate three anti-ageing claims
  39. Case lab: review a routine that did not work
  40. Capstone: a complete evidence-based recommendation

Fragrance · Beginner (20)

  1. What is a fragrance note?
  2. Top, heart and base notes explained
  3. How perfumers build a fragrance
  4. Read any note pyramid in five minutes
  5. Fresh, citrus and green: what's the difference?
  6. Floral and fruity: flowers versus fruit
  7. Sweet, amber and spicy fragrances
  8. Woody, oud and musk: understand the dry-down
  9. How your nose identifies a scent
  10. Train your nose with four scent references
  11. Why perfume smells different on different people
  12. Why perfume differs on fabric and skin
  13. How weather, heat and airflow affect perfume
  14. Parfum, EDP, EDT and mist: what differs?
  15. Choosing a fragrance for the occasion
  16. Water-based, oil-based and alcohol-based perfume
  17. Glass or plastic: choosing perfume packaging
  18. Why the perfume atomizer matters
  19. How to store fragrance properly
  20. Final workshop: analyze a SESH fragrance

Fragrance · Intermediate (20)

  1. A precise language for describing scents | SESH Academy
  2. Identify dominant and supporting notes | SESH Academy
  3. Why you may not smell every listed note | SESH Academy
  4. How to deconstruct a complex fragrance | SESH Academy
  5. Write a professional fragrance review | SESH Academy
  6. Floral families: beyond just 'flowery' | SESH Academy
  7. Fruity versus gourmand: two kinds of sweetness | SESH Academy
  8. Woody, oud-like and musk effects | SESH Academy
  9. Green, citrus, aromatic and aquatic scents | SESH Academy
  10. Amber, spice, resins and oud-like depth | SESH Academy
  11. How accords balance and contrast | SESH Fragrance Academy
  12. Reading a fragrance's time curve | SESH Fragrance Academy
  13. Projection, sillage and longevity are different | SESH Fragrance Academy
  14. Why the same fragrance differs on skin, fabric and blotter | SESH Fragrance Academy
  15. Climate, airflow and the fragrance experience | SESH Fragrance Academy
  16. Application dose, location and wearability | SESH Fragrance Academy
  17. Fragrance layering without confusion | SESH Fragrance Academy
  18. Concentration does not guarantee performance | SESH Fragrance Academy
  19. Blind testing and expectation bias | SESH Fragrance Academy
  20. Build a personal fragrance wardrobe | SESH Fragrance Academy

Fragrance · Advanced (40)

  1. What exactly is an aroma material? | SESH Fragrance Academy
  2. Natural and synthetic aroma materials | SESH Fragrance Academy
  3. Steam, solvents, expression and CO₂ extraction | SESH Fragrance Academy
  4. Chemical families in fragrance: what they do and don't predict | SESH Fragrance Academy
  5. Choosing materials for an actual perfume brief | SESH Fragrance Academy
  6. Volatility, diffusion and substantivity | SESH Fragrance Academy
  7. Odor thresholds and material impact | SESH Fragrance Academy
  8. Mixture perception: masking and interaction | SESH Fragrance Academy
  9. Fixatives: mechanisms, limits and myths | SESH Fragrance Academy
  10. GC-MS: what a fragrance chromatogram can and cannot reveal | SESH Fragrance Academy
  11. Designing a balanced citrus accord
  12. Building rose-like and jasmine-like accords
  13. Designing fruit and gourmand accords
  14. Designing woody, amber and oud-style accords
  15. Clean musk and modern aquatic accord design
  16. From perfume concept to a technical creative brief | SESH Fragrance Academy
  17. Fragrance concentrate versus finished product | SESH Fragrance Academy
  18. Perfumery dilution and percentage calculations | SESH Fragrance Academy
  19. Writing a traceable fragrance formula sheet | SESH Fragrance Academy
  20. Reformulating a fragrance: a controlled iteration workflow | SESH Fragrance Academy
  21. Alcohol, oil and water fragrance vehicles: choosing the right system | SESH Fragrance Academy
  22. Haze, precipitation and phase separation: troubleshooting clarity | SESH Fragrance Academy
  23. Fragrance oxidation, discoloration and aging | SESH Fragrance Academy
  24. Packaging compatibility: glass, plastics, seals and fragrance | SESH Fragrance Academy
  25. Atomizer quality: spray pattern, dose and consistency | SESH Fragrance Academy
  26. Designing a professional fragrance sensory panel | SESH Fragrance Academy
  27. Triangle and duo-trio fragrance discrimination tests | SESH Fragrance Academy
  28. Sensory statistics: uncertainty, confidence and practical significance | SESH Fragrance Academy
  29. Testing perfume performance and product stability properly | SESH Fragrance Academy
  30. Writing an auditable professional fragrance evaluation report | SESH Fragrance Academy
  31. Understanding IFRA Standards, categories and real-use calculations | SESH Fragrance Academy
  32. Fragrance allergens, sensitization and exposure limits | SESH Fragrance Academy
  33. Reading SDS, COA and IFRA certificates like a professional | SESH Fragrance Academy
  34. Perfume labeling: EU, U.S. and country-specific compliance | SESH Fragrance Academy
  35. Fragrance claims substantiation: performance, safety and honest marketing | SESH Fragrance Academy
  36. Integrated fragrance project: selecting a concept and building the brief | SESH Fragrance Academy
  37. Raw-material sourcing, cost and reproducible batch planning | SESH Fragrance Academy
  38. Troubleshooting a failed fragrance: root-cause analysis | SESH Fragrance Academy
  39. The technical fragrance dossier and qualification handoff | SESH Fragrance Academy
  40. Advanced perfumery capstone: defend a full technical decision | SESH Fragrance Academy

Choose your route through skincare and fragrance

Start with a concern, a product category or a question. Explore the range alongside practical SESH Academy lessons.

Face Cleansers and Makeup RemoversFace Creams and MoisturizersFace Sunscreen and Daily Sun CareSkincare for Oily Skin and Visible PoresBody Mists and Everyday FragrancesFragrance Mists and Scented Body LotionsScented Body Lotions and MoisturizersSkincare Bundles and Fragrance Gift Sets