Biodance
Bio-Collagen Real Deep Mask
Key ingredient: Collagen + Oligo-Hyaluronic Acid
Compare prices
Also available at
Prices above compare YesStyle only. Tap below to check other retailers.
Live price not available - check current price on retailer site.
Prices are refreshed daily but may change throughout the day. Please confirm the final price on the retailer's site before purchase.
For dehydrated, dull, fine-line-prone skin that needs deep overnight collagen replenishment, the Biodance Bio-Collagen Real Deep Mask is a Korean MFDS dual-functional hydrogel mask built around 243-dalton ultra-low-molecular-weight collagen and a three-strain probiotic ferment complex — the indie K-beauty mask that has sold 150 million units in 90+ countries on overnight TikTok proof.
The ingredient story
Hero ingredient
243-Dalton ultra-low-molecular collagen (Korean patent 10-2828535) + Galactomyces / Bifida / Lactobacillus ferments
Concentration
Patented Collagen Extract at 243 daltons molecular weight (Korean patent 10-2828535) — below the 500-dalton threshold widely cited as the maximum for meaningful stratum corneum penetration of intact peptide fragments. Layered with three postbiotic ferment filtrates (Galactomyces, Bifida, Lactobacillus Lysate) plus Niacinamide, Hydrolyzed Hyaluronic Acid, Adenosine, and a Rosa Damascena Flower Water base. The hydrogel matrix is built from Carob Gum, Chondrus Crispus (Irish Moss), Algin, and Agar — a four-polysaccharide jelly that holds water against the face for 8+ hours.
Deep-dive
Read the full guide →How it works
Standard hydrolysed collagen in skincare is large (~10,000-300,000 daltons) — it sits on the surface as a humectant film and does not penetrate. Biodance's patented process produces collagen peptide fragments at 243 daltons that can theoretically enter the stratum corneum and signal fibroblast collagen-I production via the GHK-like peptide pathway. The hydrogel format then holds the solution against skin for 8+ hours of slow occlusive delivery — a profile pure sheet masks cannot match (sheet masks dry out and become net-extractive within 25-30 minutes). The three postbiotic ferments contribute amino acids, beta-glucans, and short-chain fatty acids that support the skin microbiome and reinforce barrier lipids. Niacinamide adds 2% barrier reinforcement and brightening.
What the evidence shows
Biodance holds Korea MFDS dual-functional cosmetic certification for both brightening and wrinkle improvement — a regulatory designation that requires clinical documentation submitted to and accepted by the Korean Ministry of Food and Drug Safety. This is stronger evidence than typical brand-funded testing. The 243-dalton collagen peptide is patented (Korean patent 10-2828535) and is the brand's singular technology pillar. The postbiotic / barrier-lipid mechanism is well-documented in the independent skin-microbiome literature.
Anyone with documented seafood allergy (Chondrus Crispus / Irish Moss is a red algae — generally safe even for shellfish-allergic, but patch test). Anyone with documented sensitivity to Rosa Damascena. The 8-hour wear means it overnights on skin — do not use on actively-inflamed acne lesions. Pregnancy-safe.
The brand
Philosophy
“Skincare as healing tool — founder Mihwa Kim recovered from facial burns and credits hydrocolloid dressings with her healing. Biodance built around the conviction that skincare can do meaningful repair work, not just decorative care. Single-molecule focus: the brand is built around one patented technology (243-dalton collagen).”
Biodance was founded in Seoul in 2021 by Mihwa Kim, who had recovered from a serious facial burn and was struck by how much of her healing came from medical hydrocolloid dressings — a category previously confined to wound care. Kim built Biodance around the conviction that skincare formats could borrow meaningfully from medical-wound-healing technology, and the founding patent was the 243-dalton ultra-low-molecular-weight collagen peptide (Korean patent 10-2828535) — a singular technology that the brand has refused to dilute across many SKUs. The brand quietly launched the Bio-Collagen Real Deep Mask in 2022 and the product went TikTok viral in mid-2023 with content showing the hydrogel "melting" onto the face overnight. From there it scaled rapidly through Stylevana, YesStyle, and direct-to-consumer Western e-commerce. By 2025 the brand reported 150M units sold across 90+ countries — astonishing for a 3-year-old indie. Biodance holds Korea MFDS dual-functional cosmetic certification (brightening + wrinkle improvement), maintains a 19-controversial-ingredient internal exclusion screen and 25-MFDS-allergen exclusion, and EWG Green ratings across the line. The brand is the youngest in the KBeautyMatch storytelling roster — but the mechanism transparency and the patent backing put it in a credibility tier with much older Korean indies.
Where this fits in your routine
Routine step
Overnight mask — 2-3 times per week, as the final evening step
Evening (mask nights, 2-3x weekly): double cleanse → toner → essence/serum → Bio-Collagen Real Deep Mask (skip moisturiser — the mask replaces it) Morning after a mask night: rinse residue with lukewarm water, follow normal AM routine + SPF
Layers especially well with: snail essence (COSRX — apply snail under the mask for compounded repair), centella ampoule (SKIN1004), heartleaf toner (Anua 77 — same calming family). The mask amplifies whatever you apply underneath because of the 8-hour occlusive delivery.
Avoid same evening as: AHA/BHA exfoliants, retinol, fresh microneedling. The occlusive 8-hour wear amplifies absorption of everything underneath — acids and retinoids get pushed too deep and can overshoot into irritation. Mask nights are recovery nights.
Pregnancy-safe. Suitable for post-procedure recovery once surface has closed (typically 48-72 hours after laser/MN/peel). Not for active inflamed acne lesions.
Pairs especially well with
Some By Mi Galactomyces Pure Vitamin C Glow Toner — two postbiotic-led products — Some By Mi galactomyces toner as the AM brightening step, Biodance Bio-Collagen as the PM 2-3x weekly deep mask. Same ferment-microbiome thesis, different routine slots.
Medicube PDRN Pink Collagen Jelly Cream — two patented collagen-mechanism Korean innovations layered — Medicube delivers salmon-DNA peptides daily, Biodance amplifies with overnight 243-Da collagen 2-3x weekly
PURITO Dermide Cica Barrier Sleeping Pack — rotate between mask nights — Biodance for hydration + collagen weeks, Dermide Sleeping Pack for centella-led calming weeks. Two different overnight repair philosophies, one mask per night
Full ingredients
Free from
Full INCI ingredient list (manufacturer)
Water, Glycerin, Acrylates Copolymer, Niacinamide, Ceratonia Siliqua (Carob) Gum, Chondrus Crispus Extract, Dipropylene Glycol, Betaine, Algin, Agar, Hydroxyacetophenone, 1,2-Hexanediol, Potassium Chloride, Caprylyl Glycol, Sucrose, Allantoin, Polyglyceryl-10 Laurate, Ethylhexylglycerin, Galactomyces Ferment Filtrate, Adenosine, Disodium EDTA, Pyrus Communis (Pear) Fruit Extract, Rosa Damascena Flower Water, Collagen Extract, Iris Florentina Root Extract, Cucumis Melo (Melon) Fruit Extract, Hedera Helix (Ivy) Leaf/Stem Extract, Butylene Glycol, Dipotassium Glycyrrhizate, Hydrolyzed Hyaluronic Acid, Lactobacillus Ferment, Bifida Ferment Filtrate, Lactobacillus Ferment Lysate, Tocopherol
What real users say
“It actually does the melting-onto-the-face thing TikTok shows. I wake up with skin that looks like I just had a facial. The hydrogel slowly thins overnight and what is left rinses off in seconds.”
— r/AsianBeauty, 2024
“I use it every Sunday night before a Monday morning meeting and the difference is visible in photos. The 243-dalton collagen claim sounded like marketing but the wrinkle smoothing on my forehead over 6 weeks of 2x weekly use was real.”
— TikTok review with hashtag, 2024
“My esthetician noticed my hydration was visibly better at our 3-month check. I told her Biodance overnight mask twice a week. She added it to her own routine. The MFDS dual-functional certification is real — it actually delivers.”
— r/SkincareAddiction, 2024
Texture / feel
A solid hydrogel sheet that conforms to face contours when applied, then slowly melts and absorbs overnight into a thin residue. Fragrance-free; mild rose-water botanical note from the Rosa Damascena base. Slight cooling on application. The 8-hour wear means it will leave faint pillow-transfer initially — usually settled within 2 hours.
Buying authentic
Verified UK retailers
Counterfeit warning
Biodance counterfeits have emerged on Amazon UK marketplace since the 2023 viral moment. Authentic pouches have crisp clean Biodance branding, holographic security strip on the back, and the hydrogel itself is uniformly translucent (not cloudy or particulate). Buy from listed authorised retailers only.
Clinical data
Korea MFDS dual-functional cosmetic certification for both brightening AND wrinkle improvement — uncommon dual designation requiring submitted clinical documentation. 243-dalton collagen peptide is patented (Korean patent 10-2828535). 150M units sold in 90+ countries — independent commercial validation of category fit. The postbiotic + low-MW peptide mechanism is well-supported component-by-component in the independent literature.
This page was last reviewed on 2026-05-22. We update product storytelling when formulation, retailer availability, or evidence changes meaningfully.
About this product
Award-winning collagen mask that dissolves into skin overnight. Minimises pores and deeply hydrates with low-molecular-weight hyaluronic acid.
Why Collagen + Oligo-Hyaluronic Acid works
Collagen + Oligo-Hyaluronic Acid attracts and holds up to 1,000× its weight in water, plumping dehydrated skin from within.
Concerns addressed
BHA, niacinamide, and clay-based products help minimise pore appearance by controlling sebum.
