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Guides/Health & Fitness
🧴

Skincare

Matching evidence-based products and routines to your skin type, from ingredient literacy to targeted care.

Skincare is the practice of understanding your skin type and condition and maintaining and improving skin health through appropriate products and routines. Progress spans from basic cleansing and moisturizing through sun protection, ingredient literacy, concern-specific targeted care, understanding professional procedures, designing routines for others, creating educational content grounded in dermatological science, and ultimately making lasting contributions that shape skincare culture.

💪Health & Fitness
7 Levels
Published: Feb 25, 2026 · Updated: Jul 26, 2026 · v5

References

Korean Dermatological AssociationCompetency Framework

Serves as the authoritative standard for dermatological care in Korea, providing scientific legitimacy for skin type classification, fundamental care, and UV protection criteria across all level checklists.

Korean Dermatological Association Skin Health Guidelines
Paula's Choice / BeautypediaCompetency Framework

Ingredient efficacy, side-effect, and interaction profiles serve as direct evidence for L3 ingredient literacy and L4 concern-specific ingredient combination checklist items.

Paula's Choice Ingredient Dictionary
Korean Medical Association / Korean Dermatological AssociationCertification

References the competency standards from the 4-year dermatology residency program to establish expert-level capability boundaries at Levels 6-7.

Dermatology Residency Training Standards
Del Rosso & Levin (2011), J Clin Aesthet Dermatolacademic_research

Analyzes the science of stratum corneum function and skin barrier maintenance, providing evidence basis for L1-L3 cleansing/moisturizing and L4 ingredient-based care checklists.

Functional Integrity of the Stratum Corneum in Healthy and Disease-Affected Skin

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