K-Beauty Glossary

A technique of applying up to seven thin layers of toner to achieve deep hydration.

Uses a lightweight, hydrating toner applied in multiple thin layers rather than one thick application. Each layer is patted in before applying the next.

Skin that frequently develops breakouts, blackheads, or clogged pores due to excess sebum, bacteria, or inflammation.

K-Beauty approach: BHA and tea tree for acne control. Centella and propolis for healing. Non-comedogenic products. Gentle cleansing without stripping.

The small, puffy fat pocket under the eyes considered attractive in Korean beauty standards. Often enhanced with makeup to create a youthful, cute look.

Water-soluble acids (glycolic, lactic, mandelic) that exfoliate the skin surface, improving texture, tone, and brightness.

Korean formulations tend to be gentler than Western counterparts, often combined with hydrating ingredients. Good for sun-damaged, dry, or aging skin.

A highly concentrated serum with a higher percentage of active ingredients, designed for targeted treatment.

More potent than regular serums. Often used as an intensive treatment for specific skin concerns like hyperpigmentation, wrinkles, or dehydration.

Rich in silica and amino acids, bamboo extract provides hydration, soothing, and skin-strengthening benefits.

Oil-soluble acid (salicylic acid) that penetrates pores to exfoliate from within, reducing blackheads, whiteheads, and acne.

Ideal for oily and acne-prone skin. Korean BHA products are often formulated at lower concentrations for daily use with less irritation.

Sap from birch trees used as a lightweight hydrating base, rich in minerals, amino acids, and antioxidants.

Often used to replace water as the base ingredient in K-Beauty products. Provides gentle hydration without heaviness.

A medicinal herb used in K-Beauty for its soothing, anti-inflammatory, and skin-repairing properties.

Contains madecassoside and asiaticoside. Excellent for sensitive, irritated, or acne-prone skin. A staple ingredient in "cica" creams and serums.

Lipids that make up over 50% of the skin barrier. Essential for maintaining moisture and protecting against environmental stressors.

K-Beauty emphasizes ceramide-rich formulas for skin barrier repair. Often combined with cholesterol and fatty acids for optimal barrier restoration.

A Korean onomatopoeia describing skin that is moist, dewy, and bouncy to the touch.

The ideal K-Beauty skin texture — plump and springy with a natural, healthy moisture level.

Skin that is oily in the T-zone (forehead, nose, chin) but dry or normal on the cheeks.

K-Beauty approach: Use different products on different zones or opt for balancing products. Lightweight layers work well.

Products and ingredients that have not been tested on animals at any stage of development.

Look for Leaping Bunny or PETA certifications. South Korea officially ended mandatory animal testing for cosmetics in 2023.

A K-Beauty innovation: liquid foundation soaked in a sponge inside a compact case, applied with a puff for buildable, dewy coverage.

Invented by AmorePacific in 2008. Now a staple product category worldwide. Offers convenience, SPF protection, and natural-looking coverage.

A temporary skin condition (not a skin type) where the skin lacks water, even if it produces adequate oil.

K-Beauty approach: Layer hydrating toners (7-skin method), use hyaluronic acid serums, and seal with a moisturizer. Even oily skin can be dehydrated.

Product has undergone clinical testing supervised by dermatologists to verify skin safety and compatibility.

Common in Korean skincare. May include patch testing, irritation testing, and clinical efficacy studies. Look for specific test details rather than just the claim.

A two-step cleansing method: first an oil-based cleanser to remove makeup and sunscreen, then a water-based cleanser to clean the skin.

Considered the foundation of any K-Beauty routine. Ensures thorough cleansing without stripping the skin.

Skin that produces less sebum than normal, resulting in tightness, flaking, and a dull appearance.

K-Beauty approach: Focus on layering hydration (hyaluronic acid, ceramides) and sealing with occlusive moisturizers. Avoid foaming cleansers that strip moisture.

A lightweight, hydrating liquid that is more concentrated than toner but lighter than serum. The heart of any K-Beauty routine.

Applied after toner, essence helps with cell turnover and hydration. The most famous example is SK-II Facial Treatment Essence.

Environmental Working Group verification — indicates a product meets strict standards for ingredient transparency and safety.

Products avoid EWG's ingredients of concern, are fully transparent about ingredients, and follow good manufacturing practices. Popular among Korean "clean beauty" brands.

A product that removes dead skin cells. Can be physical (scrubs, peeling gels) or chemical (AHA, BHA, PHA).

K-Beauty favors gentle exfoliation. Peeling gels are a popular Korean innovation — they ball up dead skin when rubbed. Use 1-3 times per week.

A specialized moisturizer for the delicate under-eye area, targeting dark circles, puffiness, and fine lines.

A fermented yeast filtrate that brightens skin, refines pores, and improves overall skin texture.

Similar to the famous SK-II Pitera ingredient. Korean brands offer more affordable alternatives. Delivers niacinamide, amino acids, and vitamins through fermentation.

Korean Red Ginseng (Panax Ginseng) — a powerful anti-aging ingredient with antioxidant, firming, and energizing properties.

A premium Korean ingredient with centuries of use. Promotes collagen production, improves elasticity, and delivers a healthy glow. Korean ginseng is considered the highest quality worldwide.

A beauty trend describing skin so smooth, clear, and luminous that it resembles glass.

Achieved through consistent hydration, gentle exfoliation, and layering lightweight hydrating products. Focus is on skin clarity and a dewy, translucent finish.

An international manufacturing standard ensuring products are consistently produced and controlled according to quality standards.

Korean cosmetic manufacturers with GMP certification follow strict quality protocols for ingredients, production, packaging, and distribution.

Rich in polyphenols and catechins (especially EGCG), providing powerful antioxidant, anti-inflammatory, and oil-controlling properties.

Jeju Island green tea is especially prized in K-Beauty. Helps protect against UV damage and premature aging.

Certification that cosmetics comply with Islamic law — no prohibited (haram) ingredients and meet cleanliness standards.

Important for Korean brands exporting to Southeast Asia and the Middle East. Requires separate production lines and ingredient sourcing verification.

Skin with a warm, golden glow — moist, plump, and naturally radiant like honey.

Similar to glass skin but with a warmer, more golden tone. Often achieved using honey, propolis, and nourishing ingredients.

A naturally occurring molecule that can hold up to 1000x its weight in water, providing intense hydration to the skin.

Available in different molecular weights: high (sits on skin surface), medium (penetrates epidermis), and low (reaches deeper layers). Many K-Beauty products use multi-weight formulas.

International standard specifically for cosmetics GMP — covers production, control, storage, and shipment of cosmetic products.

The global standard for cosmetic manufacturing quality. Many Korean manufacturers hold ISO 22716 certification for export markets.

A Korean makeup technique meaning "diving" — submerging the face in cold water after applying powder to set makeup for a matte, poreless finish.

Korean Beauty — skincare and cosmetics products, routines, and innovations originating from South Korea.

K-Beauty is known for multi-step routines, innovative ingredients, and a focus on achieving healthy, glowing skin through prevention rather than correction.

Ministry of Food and Drug Safety — the Korean regulatory authority that approves cosmetics for safety and efficacy.

All cosmetics sold in South Korea must be registered with MFDS. Functional cosmetics (whitening, anti-wrinkle, UV protection) require additional clinical testing and approval.

A cream or gel that hydrates and seals in moisture, forming a protective layer on the skin.

Korean moisturizers come in various textures: gel-cream for oily skin, regular cream for normal skin, and rich cream for dry skin. Many contain additional active ingredients.

A traditional Korean herb (Artemisia) used for calming, soothing, and healing irritated skin.

Has been used in Korean traditional medicine for centuries. Rich in vitamins A, C, and E. Excellent for sensitive and acne-prone skin.

"Water glow" — skin that appears so hydrated it looks like it has a layer of water on the surface.

This look is achieved through intense hydration using essences, hyaluronic acid serums, and dewy finish products.

Vitamin B3 — brightens skin, minimizes pores, strengthens the skin barrier, and reduces hyperpigmentation.

One of the most versatile K-Beauty ingredients. Works well with most other actives. Commonly found in concentrations of 2-10% in Korean products.

Step 1 of double cleansing — an oil-based cleanser that dissolves makeup, sunscreen, and excess sebum.

Works on the principle that oil dissolves oil. Massage onto dry skin, then emulsify with water. Available as oils, balms, or micellar waters.

Skin that overproduces sebum, resulting in shine, enlarged pores, and a tendency toward breakouts.

K-Beauty approach: Use lightweight, water-based products. BHA exfoliation helps. Hydrate with gel creams and hyaluronic acid. Avoid heavy occlusives.

A resinous substance produced by bees. Rich in antioxidants, with antibacterial and anti-inflammatory properties.

Excellent for acne-prone skin and overall nourishment. Provides a natural, healthy glow. Commonly found in essences and ampoules.

A form of Vitamin A that promotes cell turnover, reduces wrinkles, and improves skin texture.

Korean retinol products often use encapsulated or bakuchiol-blended formulas for gentler delivery. Popular for anti-aging routines.

An extract from rice (Oryza Sativa) used in Korean beauty for brightening, moisturizing, and antioxidant benefits.

Used for centuries in Asian beauty. Contains ferulic acid, phytic acid, and vitamins. Helps improve skin texture and even skin tone.

Skin that reacts easily to products or environmental factors — redness, stinging, itching, or breakouts.

K-Beauty approach: Focus on soothing ingredients (centella, mugwort, aloe). Fragrance-free formulas. Patch test new products. Minimal, gentle routines.

A concentrated treatment product with active ingredients targeting specific skin concerns like wrinkles, dark spots, or acne.

Applied after toner/essence. Korean serums often come in lightweight, watery textures. Multiple serums can be layered from thinnest to thickest consistency.

A face-shaped fabric mask soaked in serum or essence, applied for 15-20 minutes to deliver concentrated ingredients.

A K-Beauty icon. South Korea produces over 800 million sheet masks annually. Available in countless ingredient variations.

A minimalist approach to Korean skincare that involves skipping unnecessary steps and using fewer, multi-functional products.

A reaction to the extensive 10-step routine. Skip-care focuses on identifying and using only the products your skin truly needs.

An overnight treatment mask that works while you sleep to deliver intensive hydration and nourishment.

Applied as the last step of your evening routine. Washed off in the morning. Popular types include water-based gel masks and cream-based masks.

A skincare technique of applying a layer of occlusive product (like petroleum jelly) as the last step to lock in moisture overnight.

Popular in K-Beauty for extremely dry skin. Creates a barrier that prevents transepidermal water loss during sleep.

Snail secretion filtrate — a key K-Beauty ingredient rich in glycoproteins, hyaluronic acid, and glycolic acid for skin repair and hydration.

Helps with skin repair, hydration, and reducing the appearance of fine lines and scars. The COSRX Snail Mucin Essence is one of the best-selling K-Beauty products globally.

A lightweight, plant-derived oil that mimics the skin's natural sebum. Deeply moisturizing without clogging pores.

Derived from sugarcane or olives. Excellent for all skin types including oily skin. Helps strengthen the moisture barrier.

The final and most important step — UV protection to prevent sun damage, premature aging, and hyperpigmentation.

Korean sunscreens are famous for their elegant, lightweight textures that feel like skincare. Look for PA++++ rating for UVA protection. Reapply every 2 hours.

A cream that temporarily brightens and evens out skin tone, often with a slight lavender or pink tint.

Popular in Korea as a lightweight alternative to foundation. Provides a natural, brightened look for everyday wear.

A lightweight liquid applied after cleansing to balance pH, hydrate, and prepare skin to absorb subsequent products.

Korean toners (called "skin" in Korea) are hydrating, not astringent like Western toners. They prepare the skin for better absorption of the following products.

Certification confirming a product contains no animal-derived ingredients and was not tested on animals.

Common certifiers include The Vegan Society, Korea Vegan Certification, and EVE VEGAN. Growing trend in K-Beauty with many brands going fully vegan.

Step 2 of double cleansing — a gentle, water-based cleanser (foam, gel, or cream) that removes remaining impurities.

Korean cleansers tend to be low-pH (5.5) to maintain the skin's acid mantle. Foam cleansers are popular but gel and cream types suit dry or sensitive skin better.

A citrus fruit rich in Vitamin C and antioxidants, used for brightening and energizing the skin.

Contains 3x more Vitamin C than lemons. Popular in Korean beauty products for its gentle brightening effect and refreshing citrus scent.