Bioderma Hydrabio Sérum 40ml
The same 40ml name can carry a renewed formula.
Best for
Someone adding a post-toner moisture step and comparing the current squalane-containing serum.
Format
Serum
Contents
1 pcs
Retail price in Korea (KRW) at the time of listing. Actual prices may vary.
What it is
What it is
Want another moisture step after toner? Hydrabio Sérum 40ml is applied gently over face and neck. Even if you used the same name before, start by checking the ingredient declaration on the new pack.
Read the current squalane formula
The Korean official notice begins with water, glycerin, squalane, butylene glycol and niacinamide. Sodium PCA, sodium hyaluronate, saccharide isomerate and lactobacillus ferment are listed too. Humectant and emollient materials coexist, so a hydrating-serum name does not mean an entirely oil-free product.
Keep the earlier version separate
An earlier formula placed xylitol, dimethicone and cyclopentasiloxane near the start. The same name and size do not justify combining that list with the current squalane formula. Checking your bottle’s first ingredients helps identify which declaration applies. Give the purchased pack priority over old listings or another region’s version.
Between toner and cream
The brand directs morning and evening application after toner, gently patting onto face and neck. Add moisturizer to dry areas if serum is not enough. If several serums already fill your routine, review overlap and quantity first. Fragrance is listed, and the Korean notice has no functional designation; do not borrow the 30ml Hyalu+ product’s designation.
A buying question answered
The current Korean 40ml notice lists 33 materials starting with water, glycerin, squalane, butylene glycol and niacinamide. Distinguish the earlier formula with xylitol, dimethicone and cyclopentasiloxane near the start. This list follows the current official notice; a differently labelled purchased pack takes priority.
Use and comparison choices
After cleansing morning or evening, prepare skin with toner. Gently spread and pat an appropriate amount over face and neck. After absorption, add moisturizer where needed and separate sunscreen for daytime exposure.
The 40ml serum and 30ml Hyalu+ differ in formula and Korean functional designation. Compare more than volume.
A little Gel-Crème can follow if you need a finishing moisturizer. Using every toner, serum and cream in the range is not required.
References
This guide covers the Korean listing; localized ingredient names are editorial translations. Check your regional pack.
What works
- The current Korean official list places squalane after glycerin.
- 40ml / current squalane formula sales size; compare other sizes and extras separately.
What to watch
- Fragrance and lactobacillus ferment are listed. Check a new pack instead of assuming it matches an older bottle.
Skip it if
- A listed ingredient has caused a reaction, or the area is wounded or reacting.
Key ingredients
The most widely used humectant in skincare, drawing water toward the skin and holding it in the upper layers. Its interaction with the skin's own water channels has been studied for decades, and it is mild enough to appear across a very wide concentration range. At high levels it turns tacky, so formulas usually pair it with lighter humectants.
- SqualaneEWG 1
Squalene with hydrogen added so it no longer goes rancid, closely matching a lipid the skin already produces in sebum. That similarity is why it absorbs without sitting on top, and while it once came from shark liver, olive and sugarcane are now the usual sources.
- NiacinamideEWG 1
A form of vitamin B3 that acts on the step where melanin transfers into skin cells, which is the basis for its use in tone-evening products. Research also covers barrier lipid production and oil control, giving it unusually broad application. In Korea it is a listed brightening functional ingredient, commonly at 2 to 5 percent.
A glycosaminoglycan found in human skin and joints, notable for how much water it can draw in and hold. Cosmetics usually use the water-soluble sodium salt, though the acid form is sometimes listed directly. Molecular weight determines whether it sits on the surface or works down between corneocytes.
The sodium salt of the compound that makes up the largest share of the skin's natural moisturising factor. It works by the same mechanism the stratum corneum uses to hold its own water, making it a foundation of hydration formulas. It feels light with virtually no tack.
Description
Want another moisture step after toner? Hydrabio Sérum 40ml is applied gently over face and neck. Even if you used the same name before, start by checking the ingredient declaration on the new pack.
How to use and where it fits
- 1
After cleansing morning or evening, prepare skin with toner.
- 2
Gently spread and pat an appropriate amount over face and neck.
- 3
After absorption, add moisturizer where needed and separate sunscreen for daytime exposure.
Questions people ask
How do I use it?
After cleansing morning or evening, prepare skin with toner. Gently spread and pat an appropriate amount over face and neck. After absorption, add moisturizer where needed and separate sunscreen for daytime exposure.
Is the INCI the same as the earlier silicone-containing serum?
The current Korean 40ml notice lists 33 materials starting with water, glycerin, squalane, butylene glycol and niacinamide. Distinguish the earlier formula with xylitol, dimethicone and cyclopentasiloxane near the start. This list follows the current official notice; a differently labelled purchased pack takes priority.
What can I pair with or compare?
Bioderma Hydrabio Hyalu+ Serum 30ml: Hydrolyzed hyaluronic acid, sodium hyaluronate, carnosine and adenosine are listed. The 40ml serum and 30ml Hyalu+ differ in formula and Korean functional designation. Compare more than volume. A little Gel-Crème can follow if you need a finishing moisturizer. Using every toner, serum and cream in the range is not required.
Full Ingredients
Water, , , Butylene Glycol, , Pentylene Glycol, Propylene Glycol, Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer, Caprylic/Capric Triglyceride, Dicaprylyl Carbonate, Carbomer, Silica, Dextrin Palmitate, Fructooligosaccharides, Hydroxyacetophenone, Polysorbate 60, Diisostearyl Malate, Fragrance, Mannitol, Sodium Citrate, Xylitol, Hexyl Decanol, Rhamnose, , Sorbitan Isostearate, Sodium Hydroxide, , , Citric Acid, Saccharide Isomerate, Pyrus Malus (Apple) Seed Extract, Brassica Campestris (Rapeseed) Sterols, …
Tap an ingredient to see details.
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