Face Republic Hydro Boost Solution Serum 45ml
Face Republic Hydro Boost Solution Serum 45ml
Lightweight hyaluronic acid serum for plump, dewy, hydrated-looking skin.
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For skin that feels dry, tight, dehydrated, or flat, Face Republic Hydro Boost Solution Serum gives your routine a lightweight hydration step for softer, plumper, dewier-looking skin.
This Korean serum features an 11-type hyaluronic acid complex, adenosine, allantoin, glycerin, and botanical extracts to help skin feel moisturized, smooth, and refreshed without a sticky finish. The lightweight texture absorbs comfortably and layers well under moisturizer, sunscreen, or makeup.
Use it after toner or essence when your skin needs a fresh boost of hydration, bounce, and glow.
Choose this if...
- ✓ Your skin feels dry, tight, dehydrated, or dull
- ✓ You want a hyaluronic acid serum for plump, dewy-looking skin
- ✓ You prefer a lightweight serum that layers without stickiness
- ✓ You like adenosine, allantoin, and botanical extracts in skincare
Complete your hydration routine
Lock in your serum with a lightweight cream, then finish with SPF during the day.

Formula, ingredients & use
Why you’ll love it
- Helps skin feel deeply hydrated, soft, and refreshed
- Supports a plumper, smoother, dewier-looking complexion
- Lightweight serum texture absorbs easily without sticky residue
- Features an 11-type hyaluronic acid complex for layered hydration support
- Includes adenosine and allantoin for a cared-for skin feel
- Layers well under moisturizer, sunscreen, or makeup
- Vegan and cruelty-free positioning from retailer listings
Best for
Best for: Dryness, dehydration, tight-feeling skin, dullness, rough texture, and skin that needs a lightweight hydration boost
Skin feel/type fit: Most skin types; especially good for dry, dehydrated, dull, or tight-feeling skin
What to expect
Texture: Lightweight hydrating serum
Finish: Soft, smooth, plump, dewy, non-sticky
Scent: No added fragrance listed
Routine step: Serum, after toner or essence and before moisturizer
How to use
- After cleansing and toner, apply a few drops to the face and neck.
- Gently pat or massage until absorbed.
- Follow with moisturizer.
- In the morning, finish with sunscreen.
Tip: Apply to slightly damp skin after toner or mist, then seal with moisturizer for a softer, more hydrated finish.
Key ingredients
- 11-Type Hyaluronic Acid Complex: A multi-form hyaluronic acid blend that helps skin feel hydrated, plump, smooth, and comfortable.
- Adenosine: Included to support smoother-looking, more elastic-looking skin.
- Allantoin: Helps support a calm, comfortable, cared-for skin feel.
- Glycerin: A classic humectant that helps attract moisture to the skin.
- Botanical Extract Blend: Includes neem leaf, neem flower, ivy gourd fruit, aloe flower, eggplant fruit, holy basil, red algae, and turmeric root extracts to support a refreshed, cared-for skin feel.
Good to know
- Size: 45 ml / 1.52 fl. oz.
- Lightweight hydrating serum
- Features 11 types of hyaluronic acid
- Includes adenosine and allantoin
- Non-sticky finish
- No added fragrance listed in the ingredient list
- Vegan and cruelty-free positioning from retailer listings
- Made in South Korea
Full ingredients
Water, Butylene Glycol, Glycerin, Dipropylene Glycol, 1,2-Hexanediol, Pentylene Glycol, Sodium Hyaluronate, Hyaluronic Acid, Hydrolyzed Hyaluronic Acid, Hydrolyzed Sodium Hyaluronate, Hydroxypropyltrimonium Hyaluronate, Potassium Hyaluronate, Sodium Hyaluronate Crosspolymer, Sodium Acetylated Hyaluronate, Carbomer, Tromethamine, Cellulose Gum, Xanthan Gum, Adenosine, Disodium EDTA, Allantoin, Melia Azadirachta Leaf Extract, Melia Azadirachta Flower Extract, Coccinia Indica Fruit Extract, Aloe Barbadensis Flower Extract, Solanum Melongena (Eggplant) Fruit Extract, Ocimum Sanctum Leaf Extract, Corallina Officinalis Extract, Curcuma Longa (Turmeric) Root Extract
About the brand
Face Republic is a Korean skincare brand built around helping customers find their true beauty through approachable skincare for different skin types and concerns. The brand offers routine-focused lines such as Hydro, Glow, Calming, and Blooming, with products made in Korea and designed for everyday care.
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How to layer your K-beauty routine
A simple guide to each step, from cleansing to moisturizing
Cleanse
Start with a gentle cleanser to remove buildup and prep skin for the rest of your routine.
Treat
Layer toner, serum, ampoule, or essence based on what your skin needs that day.
Moisturize
Finish with a cream or gel moisturizer to help seal in hydration and keep skin feeling soft.