Waterfull Hyaluronic Acid Serum
Waterfull Hyaluronic Acid Serum
Product Description
Product overview
JUMISO Waterfull Hyaluronic Acid Serum is a lightweight, fragrance-free hydrating serum powered by a 3-Complex Hyaluronic Acid system (high, low, and ultra-low molecular weight HA) that penetrates multiple skin layers for all-day moisture. Boosted with Panthenol, Ceramide NP, Allantoin, and Vitamin E, this vegan K-beauty serum plumps fine lines, soothes irritation, and reinforces a weakened moisture barrier — without any sticky residue.
3-Complex Hyaluronic Acid
High, low, and ultra-low molecular weight HA target multiple skin layers — surface hydration plus deeper plumping.
Texture & feel
SENSORY3-Complex Hyaluronic Acid
High, low, and ultra-low molecular weight HA target multiple skin layers — surface hydration plus deeper plumping.
Barrier Repair Support
Ceramide NP and Hydrogenated Lecithin reinforce the skin's lipid barrier to lock in moisture and prevent TEWL.
Soothing Panthenol & Allantoin
Calms redness, irritation, and tight feelings — ideal for stressed, post-treatment, or compromised skin.
Featherlight, No-Pilling
Watery-gel texture absorbs in seconds and layers seamlessly under sunscreen, makeup, or richer creams.
Vegan & Clean Formula
Free from drying alcohols, parabens, silicones, sulfates, fragrance, and common allergens.
Affordable K-Beauty Value
Generous 50ml dropper bottle at a price point well below most Western HA serums of similar quality.
Safety & compatibility
SAFENo retinoids, salicylic acid, hydroquinone, or chemical sunscreens. All ingredients are considered safe during pregnancy and nursing.
No fatty acids, esters, oils, polysorbates, or fermented ingredients that can feed Malassezia yeast.
Pairs safely with retinol, vitamin C, niacinamide, AHA, BHA, and PHA — buffers actives and helps reduce irritation.
Lightweight, water-based formulation with no pore-clogging oils. Suitable for acne-prone and oily skin.
No animal-derived ingredients and not tested on animals. Suitable for plant-based lifestyles.
HA pulls moisture from the environment — in dry climates, apply to damp skin and seal with moisturizer to avoid reverse hydration.
Ingredient breakdown
INGREDIENTS3-Complex Hyaluronic Acid ~3-4%Proven
The hero trio: Sodium Hyaluronate (high MW for surface plumping), Hydrolyzed Hyaluronic Acid (low MW for deeper hydration), and pure Hyaluronic Acid. Together they hold up to 1,000 times their weight in water.
- Source: A 2014 study in the Journal of Drugs in Dermatology found that low molecular weight HA significantly improved skin hydration and reduced wrinkle depth after 8 weeks.
- Concentration estimate: Combined HA forms appear in the 3-4% range based on ingredient list position.
- Why three sizes: Different molecular weights penetrate different skin layers — surface, mid-epidermis, and deeper plumping.
Panthenol (Pro-Vitamin B5) ~1-2%Proven
Pro-Vitamin B5 converts to pantothenic acid in the skin. It's a humectant that also accelerates wound healing, soothes inflammation, and strengthens the skin barrier.
- Source: Research published in the American Journal of Clinical Dermatology confirms panthenol's role in stimulating fibroblast proliferation and improving skin hydration.
- Bonus benefit: Reduces transepidermal water loss (TEWL) by up to 27% in some studies.
Ceramide NP & Ceramide AP ~0.1-0.5%Proven
Identical to lipids naturally found in your skin barrier. Ceramide NP (also called Ceramide 3) is the most abundant ceramide in human skin and helps fortify the lipid matrix between skin cells.
- Source: A 2019 study in the Journal of Investigative Dermatology demonstrated that topical ceramides restore barrier function in compromised skin within 7 days.
- Why it matters: A healthy ceramide layer reduces water loss, protects against irritants, and prevents the dry-irritated cycle.
Chlorella Vulgaris Extract ~0.5-1%Promising
A green microalgae extract rich in amino acids, vitamins, and antioxidants. Studies suggest it supports collagen and elastin synthesis while delivering hydration.
- Source: Research in the Journal of Cosmetic Dermatology showed chlorella extract may improve skin elasticity and reduce wrinkle depth over 8-12 weeks.
Betaine, Trehalose & Glucose Complex ~1-2%Proven
A trio of natural osmolytes and sugar humectants. Betaine protects cells from osmotic stress, trehalose locks in moisture even in dry conditions, and glucose supports skin energy metabolism.
- Source: Trehalose has been shown in multiple studies to maintain hydration during environmental stress (cold, heat, low humidity).
- Synergy: Combined with HA, these create a multi-layered moisture reservoir.
Allantoin & Tocopherol (Vitamin E) ~0.1-0.5%Proven
Allantoin softens and soothes irritated skin while accelerating cell turnover. Tocopherol (Vitamin E) is a fat-soluble antioxidant that protects against free radical damage and stabilizes the formula.
- Source: Allantoin is FDA-recognized as a skin protectant. Vitamin E is one of the most studied topical antioxidants for anti-aging benefits.
28 ingredients
Water, Butylene Glycol, Glycerin, Dipropylene Glycol, Ceramide AP, 1,2-Hexanediol, Pentylene Glycol, Sodium Hyaluronate, Chlorella Vulgaris Extract, Hydrolyzed Hyaluronic Acid, Hyaluronic Acid, Betaine, Panthenol, Trehalose, Polyglyceryl-10 Laurate, Glucose, Ammonium Acryloyldimethyltaurate/VP Copolymer, Fructooligosaccharides, Fructose, Tromethamine, Ethylhexylglycerin, Glyceryl Acrylate/Acrylic Acid Copolymer, Allantoin, Choleth-24, Hydrogenated Lecithin, Tocopherol, Ceramide NP, Carbomer, Xanthan Gum.
Where it fits in your routine
ROUTINEApply on damp skin right after toner or essence, before heavier serums and creams. Always seal with a moisturizer to lock in hydration.
How to use
HOW TO USECleanse and prep
Wash your face with a gentle cleanser. Optionally follow with a hydrating toner. Skin should still be slightly damp.
Dispense 3-5 drops
Use the dropper to apply 3-5 drops onto your fingertips or directly onto your face — forehead, cheeks, chin, and nose.
Pat gently
Press and pat the serum into the skin using your fingertips. Avoid rubbing — patting helps absorption and reduces tug.
Seal with moisturizer
Within 30-60 seconds, apply a moisturizer to lock in hydration and prevent water evaporation, especially in dry climates.
Use AM and PM
Safe for twice-daily use. In the morning, follow with SPF 30+ sunscreen as the final step.
Who is it for?
WHOPerfect for you if:
- You have dry, dehydrated, or normal skin lacking moisture
- You experience tightness, flakiness, or fine lines from dehydration
- You want a fragrance-free, sensitive-skin-friendly hydrator
- You're using actives (retinol, AHA, BHA, vitamin C) and need a buffer
- You prefer vegan, cruelty-free K-beauty formulas
- You travel to dry climates or spend time in air-conditioned spaces
- You want an affordable HA serum with multiple molecular weights
Consider alternatives if:
- You need a heavy occlusive cream for very dry, mature skin
- You're looking for an anti-acne or oil-control treatment
- You want a serum with retinol, vitamin C, or exfoliating acids
- You have a known allergy to Chlorella or Vitamin E
- You prefer thicker, balm-like serum textures
- You live in extremely low-humidity climates without sealing moisturizer
Skin type compatibility
SKIN TYPESLightweight, watery texture absorbs instantly without adding shine, oil, or pore congestion.
Provides a strong hydration boost but should be sealed with a heavier moisturizer for long-lasting comfort.
Hydrates dry cheeks without overwhelming an oily T-zone. Balances multiple zones beautifully.
Fragrance-free, alcohol-free, allergen-free. Allantoin and Panthenol soothe reactive, redness-prone skin.
Non-comedogenic, fungal-acne safe, oil-free formula. Won't clog pores or trigger breakouts.
Plumps fine dehydration lines and supports barrier function, but should be paired with richer anti-aging treatments.
Results timeline
8+ WEEKSPlumper, more hydrated skin
Skin feels instantly quenched and looks dewy. Tightness and flakiness reduced within minutes of application.
92% noticedSmoother texture, softer feel
Surface fine dehydration lines start to soften. Skin feels noticeably more supple and less reactive.
78% noticedImproved barrier resilience
Less redness, fewer dry patches, and better tolerance to environmental stressors and active ingredients.
71% noticedVisible plumping & bounce
Long-term hydration plumps fine lines, restores elasticity, and gives skin a healthier, more luminous appearance.
65% noticedRatings by platform
8K+ REVIEWSPros & cons
BALANCEDPraised
- Three molecular weights of HA for multi-layer hydration
- Lightweight, watery texture absorbs in seconds
- Fragrance-free and alcohol-free — sensitive skin approved
- Vegan, cruelty-free, dermatologist-tested
- Layers smoothly under makeup and other actives without pilling
- Soothes redness thanks to Panthenol and Allantoin
- Excellent value at the K-beauty price point
- Includes Ceramide NP and Ceramide AP for barrier support
Criticized
- 50ml bottle may run out quickly with twice-daily use
- Dropper can dispense more than needed if pressed hard
- Not enough on its own for very dry skin in winter
- HA can feel slightly tacky if over-applied
- Limited brand-website availability outside the US and Korea
- Not designed for anti-aging, brightening, or acne treatment alone
Budget-friendly alternatives (dupes)
DUPESStrong HA + Panthenol pairing at a lower price. However, formula is simpler — no ceramides, no Chlorella, slightly tackier finish, and contains phenoxyethanol and PEG (Isoceteth-20).
Larger 100ml size with sea buckthorn water base for added antioxidants. Only 7 ingredients vs 28 — simpler but lacks ceramides and the multi-MW HA system.
Five types of HA plus plant extracts. Slightly thicker, dewier texture. Great alternative if you want HA-focused without ceramides.
J-beauty cult favorite with five HA types. More of a watery toner-essence hybrid than a serum. Slightly stickier finish but exceptional hydration.
Comparison with competitors
SIDE-BY-SIDEStorage & shelf life
12 MONTHS12 months after opening. Unopened shelf life is approximately 30 months from manufacture date.
Store in a cool, dry place away from direct sunlight. Avoid bathroom storage where humidity and temperature fluctuate.
Glass bottle with pipette dropper. Hygienic but should be wiped before re-capping to prevent bacterial transfer.
Yes — 50ml is well under TSA's 100ml liquid limit. Pack the dropper bottle in a zip-lock bag to prevent leaks.
Frequently asked questions
FAQYes, this serum is considered safe for use during pregnancy and breastfeeding. It contains no retinoids, salicylic acid, hydroquinone, or chemical sunscreen filters — the main ingredient categories typically flagged for caution. The formula relies on hyaluronic acid, panthenol, ceramides, and gentle humectants, all of which are widely regarded as pregnancy-friendly. As always, consult your OB-GYN or dermatologist for personal medical advice.
Yes, the formula is fungal acne safe. It does not contain fatty acids, esters, oils, polysorbates, or fermented ingredients that typically feed Malassezia yeast. The water-glycerin-HA base is one of the cleanest options for those with fungal acne or seborrheic dermatitis concerns.
Absolutely. Hyaluronic acid is one of the most active-friendly ingredients in skincare. Apply the serum on damp skin first to buffer and hydrate, then layer your retinol, vitamin C, AHA, or BHA on top. This combination often reduces irritation and dryness from stronger actives. For vitamin C in particular, you can also use it before this serum if you prefer.
It's a true all-skin-types formula, but it especially shines for dehydrated, combination, sensitive, and acne-prone skin. Oily skin appreciates the lightweight, oil-free finish, while dry skin gets a hydration boost when paired with a richer moisturizer. Mature skin benefits from the multi-molecular-weight HA and ceramide barrier support.
You'll typically feel an immediate hydration boost within minutes — skin looks plumper and more dewy. Visible texture improvements (softer surface, fewer dehydration lines) emerge after 1-2 weeks. Long-term barrier resilience and elasticity benefits develop over 4-8 weeks of consistent twice-daily use.
Apply it after cleansing and toning, and before heavier serums or moisturizer. The standard order is: cleanser → toner → essence → this serum → other serums (e.g., niacinamide, retinol) → moisturizer → SPF (AM only). Always apply on damp skin and seal with a moisturizer to maximize hydration.
No — the comedogenic rating is approximately 1 out of 5 (very low). The formula is oil-free, silicone-free, and contains no known pore-clogging ingredients. It's officially marketed as non-comedogenic and dermatologist-tested. Acne-prone users consistently report no breakouts or congestion.
The Period After Opening (PAO) is 12 months. Once opened, use within a year for optimal freshness and efficacy. Unopened, the serum is stable for approximately 30 months. Store in a cool, dry place away from sunlight, and always re-cap tightly to prevent oxidation or contamination.
Verdict: JUMISO Waterfull Hyaluronic Acid Serum is one of the best-value hydrating serums on the K-beauty market. Its 3-Complex Hyaluronic Acid system, paired with Ceramide NP, Panthenol, and Allantoin, delivers multi-layer hydration that feels weightless yet long-lasting. Vegan, fragrance-free, fungal-acne safe, and pregnancy-friendly — it ticks nearly every box for sensitive and acne-prone skin types. The only minor drawbacks are the modest 50ml size and a dropper that can over-dispense. For anyone seeking a clean, effective, dermatologist-tested HA serum without the luxury price tag, this is a confident recommendation.
Product Overview
Quick product notes are a great way to check if a product is free from commonly avoided ingredients by skincare enthusiasts. These preferences come about for different reasons depending on the ingredient such as personal experiences, sensitivities, health preferences & etc.
Just because a product is not free from a common preference does not mean it's a bad product! You can make a personal decision whether or not you want to use a product that contains these ingredients or not - click the labels of the preference to read more about them.
Quick Product Notes
Ever used a product that promised a certain effect but provided no results? It might not have contained any notable ingredients that could have been responsible for that promised effect. It doesn't matter what the marketing or packaging «promises» it can do, if it doesn't contain anything that can help - then the likelihood of it helping is low.
We help you identify key notable ingredients that have been shown to help with effects such as acne-fighting, brightening, UV-protection, wound healing & anti-aging to help you achieve your skincare goals smarter. Please note that different notable ingredients have varying levels of research behind them, some are extremely well proven yet some have mixed research in their efficacy.
Just because a product doesn't contain any notable ingredients doesn't mean it's bad. And a product with notable ingredients (or even many) doesn't necessarily guarantee the efficacy of the product performing these effects either. There are other factors such as ingredient quality, concentration and formulation that will ultimately determine this.
Be smart and use this as just a starting point for you to make more informed and smarter choices and compare it with reviews to see if the product is right for you
Notable Effects & Ingredients
Why are some products great for some people and horrible for others? Well everyone has different skin types and different reactions to the same ingredients.
We've identified a range of ingredients that are commonly regarded as potentially good or bad for those with Dry, Oily/Acne-Prone or Sensitive skin.
A product that contains good or bad ingredients for your skin type doesn't always flat out make the entire product good or bad for your skin. There are other factors such as ingredient quality, concentration and formulation that will ultimately determine your skins reaction.
One of the best ways to use this section is to troubleshoot products you've had bad experiences with in the past. Check if it contains any of the marked ingredients to point out suspect ingredients to avoid in the future!
Ingredients Related to Skin Types
Ingredient Safety Breakdown refers to the percentage % of ingredients in different risk categories as classified by EWG (Environment Working Group) if they are available. There are almost endless cosmetic ingredients and they are one of the few organisations globally that have assigned ratings to a lot of the more commonly used ingredients which is why we reference them.
EWG is seen by many to be more on the alarmist side in their assignment of health ratings resulting in rating ingredients as riskier than they actually are. We recommend using this a reference point rather than a strict guide of ingredient safety and to always do further research if into ingredients that you may find suspect.
Ingredient Safety Breakdown
Product ingredient list
| EWG | CIR | Ingredient Name & Cosmetic Functions | Notes |
|---|---|---|---|
| 1 |
Water
Solvent, Skin Conditioning
|
|
|
| 1 |
Butylene Glycol
Solvent, Skin Conditioning, Masking, Fragrance, Humectant, Viscosity Controlling, Viscositydecreasing Agent
|
Hydrating
|
|
| 2 |
Glycerin
Solvent, Perfuming, Fragrance, Humectant, Viscosity Decreasing Agent, Hair Conditioning, Skin Protecting, Denaturant, Skin Conditioning
|
Promotes Wound Healing
Hydrating
|
|
| 1 |
Dipropylene Glycol
Fragrance, Solvent, Viscosity Decreasing Agent, Masking, Viscosity Controlling
|
|
|
| 0 |
Ceramide AP
Skin Conditioning
|
Hydrating
Irritation
|






