The 11 Categories of Functional Cosmetics in Korea — Full 2026 Guide
Korea does not treat all cosmetics equally. If your product claims whitening, anti-wrinkle, or UV protection, it is classified as a "functional cosmetic" and requires MFDS registration before it can enter the market.
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Under Korea's Cosmetics Act (Article 2), a functional cosmetic (기능성화장품) is any product that claims specific efficacy beyond basic cleaning, beautifying, or maintaining the appearance of the human body. While general cosmetics only need a manufacturing/import notification, functional cosmetics require a formal MFDS (Ministry of Food and Drug Safety) review and registration before they can be manufactured or imported.
This distinction matters enormously for international brands. If you include niacinamide at 2% and claim whitening on your label, your product shifts from a simple notification to a full regulatory submission. The cost, timeline, and documentation requirements change dramatically.
Korea expanded the functional cosmetics system multiple times, most recently bringing the total to 11 defined categories. Each has its own approved ingredient list maintained by MFDS, its own efficacy testing requirements, and its own review pathway.
The 11 Categories: Complete Breakdown
1. Skin Whitening / Brightening
피부의 미백에 도움을 주는 제품
What triggers it: Any claim related to skin whitening, brightening, reducing melanin production, or evening skin tone.
Key approved ingredients: Niacinamide (2-5%), Arbutin (2-5%), Ascorbic Acid (2%), Ascorbyl Glucoside (2%), Ethyl Ascorbyl Ether (1-2%), Magnesium Ascorbyl Phosphate (3%). The full KFCC (Korean Functional Cosmetics Codex) lists over 20 approved whitening actives.
Efficacy test: In vivo melanin index measurement or in vitro tyrosinase inhibition assay.
Timeline: 7 days if using KFCC-listed ingredients at approved concentrations. 4-6 months for novel ingredients.
Cost: Electronic filing fee of 189,000 KRW (~$140 USD) for the MFDS review application.
2. Anti-Wrinkle / Anti-Aging
피부의 주름개선에 도움을 주는 제품
What triggers it: Claims about wrinkle improvement, anti-aging, firming, increasing skin elasticity, or collagen stimulation.
Key approved ingredients: Retinol (2,500 IU/g), Retinyl Palmitate (10,000 IU/g), Adenosine (0.04%), Polypeptides (specific sequences). The KFCC lists approximately 10 approved anti-wrinkle actives.
Efficacy test: In vivo skin replica analysis (silicone imprint method) measuring wrinkle depth parameters Ra, Rz, Rmax.
Timeline: 7 days for KFCC-listed ingredients. 4-6 months for novel actives requiring full efficacy review.
Cost: 189,000 KRW filing fee. Efficacy testing costs 3-8 million KRW ($2,200-$6,000 USD) from accredited Korean labs.
3. UV Protection (Sunscreen)
자외선으로부터 피부를 보호하는 데에 도움을 주는 제품
What triggers it: Any SPF or PA claim, or any claim about UV/sun protection.
Key approved ingredients: Korea maintains a positive list of 28 UV filters. Key ones include Titanium Dioxide, Zinc Oxide, Ethylhexyl Methoxycinnamate (Octinoxate), Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine (Tinosorb S), and Diethylamino Hydroxybenzoyl Hexyl Benzoate (DHHB).
Efficacy test: SPF testing per ISO 24444, PA rating per ISO 24442 (persistent pigment darkening method). Must be conducted at MFDS-accredited labs.
Timeline: 7 days for KFCC-listed filters at approved concentrations. Novel filters require 4-6 months.
Cost: 189,000 KRW filing. SPF/PA testing runs 2-5 million KRW ($1,500-$3,700 USD).
4. Hair Dyeing Products
모발의 색상 변화(탈색 제외)를 주는 제품
What triggers it: Any product that changes hair color (excluding bleaching, which is a separate category).
Key approved ingredients: p-Phenylenediamine (PPD), p-Aminophenol, Resorcinol, m-Aminophenol, HC Blue No. 2, HC Red No. 3, Basic Brown 16, Basic Red 76. Korea's approved hair dye ingredient list includes both oxidative and direct dyes with specific concentration limits.
Efficacy test: Color change documentation. Safety testing emphasizing sensitization potential (patch test requirements on labeling).
Timeline: 7 days for formulations using only listed colorants within limits.
Cost: 189,000 KRW filing fee.
5. Hair Bleaching Products
모발의 탈색·탈염에 도움을 주는 제품
What triggers it: Products designed to lighten or remove existing hair color through bleaching action.
Key approved ingredients: Hydrogen Peroxide (up to 12%), Ammonium Persulfate, Potassium Persulfate, Sodium Persulfate. The bleaching mechanism and developer concentration determine the regulatory requirements.
Efficacy test: Bleaching efficacy documentation with hair swatch testing.
Timeline: 7 days for standard formulations.
Cost: 189,000 KRW filing fee.
6. Permanent Wave Products
모발의 웨이브 등의 변형을 주는 제품
What triggers it: Products that chemically alter hair structure for waving, straightening, or relaxing.
Key approved ingredients: Thioglycolic Acid and its salts (up to 11% as thioglycolic acid in cold wave products), Cysteine HCl, Cysteamine HCl, Sodium Hydroxide (for relaxers). Neutralizers typically use Hydrogen Peroxide or Sodium Bromate.
Efficacy test: Wave retention or straightening efficacy on standardized hair samples. pH and thioglycolate concentration testing.
Timeline: 7 days for KFCC formulations.
Cost: 189,000 KRW filing fee.
7. Hair Loss Symptom Relief
탈모 증상의 완화에 도움을 주는 제품
What triggers it: Claims about reducing hair loss, strengthening hair roots, or relieving symptoms associated with hair thinning. Note: actual hair regrowth claims push a product into drug territory.
Key approved ingredients: Dexpanthenol, Biotin, Salicylic Acid (0.1-0.5%), Nicotinamide, L-Menthol, Zinc Pyrithione. The distinction between "symptom relief" (cosmetic) and "treatment" (drug) is critical.
Efficacy test: Clinical study measuring hair count change or hair pull test improvement over 12-24 weeks.
Timeline: 7 days for KFCC-listed ingredients. Novel ingredients or new combinations: 4-6 months.
Cost: 189,000 KRW filing. Clinical trials for novel ingredients: 10-30 million KRW ($7,500-$22,000 USD).
8. Stretch Mark Reduction
피부의 튼살로 인한 붉은 선의 완화에 도움을 주는 제품
What triggers it: Claims about reducing the appearance of stretch marks (striae), particularly red/pink striae rubrae.
Key approved ingredients: This is one of the newer categories (added 2020). Approved actives are limited and include specific plant extracts and peptides that have passed MFDS efficacy review. The KFCC list for this category is smaller than whitening or anti-wrinkle.
Efficacy test: Clinical study documenting stretch mark appearance improvement with photographic analysis and chromameter readings.
Timeline: 7 days for listed ingredients. Most submissions go through the longer 4-6 month track due to the limited KFCC list.
Cost: 189,000 KRW filing fee. Clinical testing runs 8-15 million KRW.
9. Acne-Prone Skin Care
여드름성 피부를 완화하는 데에 도움을 주는 제품
What triggers it: Claims about helping with acne-prone skin, reducing sebum, clearing blemishes, or preventing pimples. Again, treatment claims require drug classification.
Key approved ingredients: Salicylic Acid (0.5-2%), Sulfur, Zinc compounds, Tea Tree Oil (within specified concentrations). The claim language must stay within "relieving" or "helping" territory rather than "treating" or "curing."
Efficacy test: Sebum production measurement, porphyrin analysis, or lesion count clinical study.
Timeline: 7 days for KFCC-listed ingredients at approved levels.
Cost: 189,000 KRW filing fee.
10. Atopic Skin Care
아토피성 피부를 보습하는 데에 도움을 주는 제품
What triggers it: Claims about moisturizing or soothing atopic-prone skin, supporting the skin barrier in atopic conditions.
Key approved ingredients: Ceramides (Ceramide NP, Ceramide AP, Ceramide EOP), Panthenol, Madecassoside, specific lipid complexes. Ingredients must demonstrate barrier-repair or moisturization efficacy.
Efficacy test: TEWL (trans-epidermal water loss) improvement measurement and corneometer readings over defined study periods. Testing on subjects with atopic-prone skin.
Timeline: 7 days for KFCC-listed ingredients. Most novel claims: 4-6 months.
Cost: 189,000 KRW filing. Clinical testing with atopic subjects: 10-20 million KRW ($7,500-$15,000 USD).
11. Tooth Whitening
치아의 미백에 도움을 주는 제품
What triggers it: Claims about whitening teeth or removing tooth stains beyond basic cleaning.
Key approved ingredients: Hydrogen Peroxide (up to 0.75% for home-use cosmetics), Carbamide Peroxide (equivalent levels), Sodium Chlorite. Higher peroxide concentrations push products into medical device or drug classification.
Efficacy test: Shade guide comparison or spectrophotometric tooth color measurement.
Timeline: 7 days for formulations within listed parameters.
Cost: 189,000 KRW filing fee.
Quick Reference: All 11 Categories at a Glance
| # | Category | Korean Name | Fast Track |
|---|---|---|---|
| 1 | Skin Whitening | 미백 | 7 days |
| 2 | Anti-Wrinkle | 주름개선 | 7 days |
| 3 | UV Protection | 자외선차단 | 7 days |
| 4 | Hair Dyeing | 염모 | 7 days |
| 5 | Hair Bleaching | 탈색·탈염 | 7 days |
| 6 | Permanent Wave | 퍼머넌트웨이브 | 7 days |
| 7 | Hair Loss Relief | 탈모 증상 완화 | 7 days |
| 8 | Stretch Mark Reduction | 튼살 완화 | 7 days |
| 9 | Acne Skin Care | 여드름성 피부 완화 | 7 days |
| 10 | Atopic Skin Care | 아토피성 피부 보습 | 7 days |
| 11 | Tooth Whitening | 치아 미백 | 7 days |
7-day fast track applies only when using KFCC-listed ingredients at approved concentrations. Novel ingredients require 4-6 months.
General Cosmetics vs. Functional Cosmetics: The Key Differences
Understanding the divide between general and functional cosmetics in Korea is critical for market entry planning:
| Aspect | General Cosmetic | Functional Cosmetic |
|---|---|---|
| Regulatory path | Notification only | MFDS review + registration |
| Timeline | Immediate (upon notification) | 7 days to 6 months |
| Efficacy data | Not required | Required (clinical or in vitro) |
| Label claims | Basic cosmetic claims | Can claim specific efficacy |
| MFDS fee | None | 189,000 KRW per product |
The KFCC Fast Track vs. Novel Ingredient Track
Korea's system has a built-in efficiency mechanism. If your product uses only ingredients listed in the Korean Functional Cosmetics Codex (KFCC) at their approved concentrations, you qualify for the 7-day fast track review. This is called a reported functional cosmetic (보고 기능성화장품).
If you use a novel ingredient not on the KFCC list, or exceed the listed concentration, you enter the reviewed functional cosmetic (심사 기능성화장품) pathway. This requires full efficacy data, safety data, and can take 4-6 months. For a deeper dive into how these two tracks work, see our guide on MFDS Approval Timeline: 7 Days vs. 6 Months.
Common Pitfalls for International Brands
- Accidental functional claims: Marketing language like "brightens skin" or "reduces fine lines" can trigger functional classification even if the formulator did not intend it. Korean regulators apply this strictly.
- Ingredient concentration mismatch: Your niacinamide serum at 10% may be fine in the EU, but in Korea, the KFCC-listed whitening concentration for niacinamide is 2-5%. Above 5% with a whitening claim may require the longer review track.
- Dual-function products: A sunscreen with whitening claims needs registration under both Category 1 (whitening) and Category 3 (UV protection). The fees and data requirements stack.
- Lab accreditation: Efficacy tests must come from MFDS-recognized testing institutions. International lab reports may not be accepted without Korean accreditation.
- Cosmetic-drug boundary: If your hair loss product claims to "regrow hair" instead of "relieve hair loss symptoms," it falls under drug regulation, not cosmetics.
Cost Summary for 2026
| Item | Cost (KRW) | Cost (USD) |
|---|---|---|
| MFDS electronic filing fee | 189,000 | ~$140 |
| SPF/PA testing (sunscreen) | 2-5 million | $1,500-$3,700 |
| Whitening efficacy test | 3-6 million | $2,200-$4,500 |
| Anti-wrinkle efficacy test | 3-8 million | $2,200-$6,000 |
| Clinical trial (novel ingredient) | 10-30 million | $7,500-$22,000 |
| Korean Responsible Person (annual) | 5-15 million | $3,700-$11,000 |
Costs are estimates for 2026. Actual costs vary by testing facility and product complexity.
Frequently Asked Questions
What is a functional cosmetic in Korea?
A functional cosmetic (기능성화장품) is any cosmetic product that claims specific efficacy beyond basic cosmetic use. Under the Korean Cosmetics Act, products making claims about whitening, anti-wrinkle effects, UV protection, hair growth, or other defined functional benefits must be registered with MFDS (Ministry of Food and Drug Safety) before they can be sold. There are 11 legally defined categories, each with its own approved ingredient lists, efficacy testing requirements, and regulatory pathway.
How many functional cosmetic categories are there in Korea?
Korea defines exactly 11 categories of functional cosmetics: (1) Skin Whitening, (2) Anti-Wrinkle, (3) UV Protection, (4) Hair Dyeing, (5) Hair Bleaching, (6) Permanent Wave, (7) Hair Loss Symptom Relief, (8) Stretch Mark Reduction, (9) Acne Skin Care, (10) Atopic Skin Care, and (11) Tooth Whitening. The system was expanded over time, with the most recent additions being stretch marks, acne, and atopic categories.
Can I sell a whitening product in Korea without MFDS registration?
No. If your product makes any whitening or brightening claim, it must be registered as a functional cosmetic with MFDS before sale. Selling an unregistered functional cosmetic in Korea carries penalties including product recall, fines, and potential criminal charges under the Cosmetics Act. If you want to sell the same formulation without registration, you must remove all functional claims from the labeling and marketing.
What is the difference between a functional cosmetic and a drug in Korea?
The boundary depends on claims and ingredient concentrations. A product that claims to "relieve hair loss symptoms" is a functional cosmetic. A product that claims to "treat alopecia" or "regrow hair" is a drug. Similarly, a sunscreen is a functional cosmetic, but a product claiming to "treat sun damage" would be classified as a pharmaceutical. MFDS draws this line strictly, and incorrect classification can result in your product being pulled from the market.
Related Reading
- MFDS Approval Timeline: 7 Days vs. 6 Months -- the two-track system explained in detail
- One Formula, Five Regulations -- how Korea compares to EU, FDA, China, and ASEAN
- Retinol: New EU Restrictions 2025 -- see how retinol limits differ between Korea and the EU
References
- Korean Cosmetics Act (Act No. 17250, as amended). Ministry of Food and Drug Safety.
- MFDS Functional Cosmetics Review Guidelines (2024 revision). Korea Ministry of Food and Drug Safety.
- Korean Functional Cosmetics Codex (KFCC), current edition. MFDS notification standards for functional cosmetic ingredients.
- Regulation on Standards for Cosmetics (MFDS Notification No. 2024-15). Ingredient limits and testing standards.
- ISO 24444:2019. In vivo determination of the sun protection factor (SPF).
- ISO 24442:2022. Determination of sunscreen UVA photoprotection in vivo.
Shahar Ben-David
Formulator. AI researcher. No products to sell.
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