the NewLab. 10% Vitamin C Serum ingredients (Explained) (2025)

the NewLab. 10% Vitamin C Serum ingredients (Explained) (1)

Protects the skin from uv damage & prevents dark spots, revealing bright & radiant skin.

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Ingredients overview

Aqua, 3-O-Ethyl Ascorbic Acid, Niacinamide, Pentylene Glycol, Panthenol, Phenoxyethanol, Hydroxyethylcellulose, Polysorbate 20, Allantoin, Ethylhexylglycerin, Lactic Acid, Tetrasodium EDTA

Read more on how to read an ingredient list >>

Highlights

#alcohol-free #fragrance & essentialoil-free

Alcohol Free

Fragrance and Essential Oil Free

Key Ingredients

Anti-acne: Niacinamide

Antioxidant: 3-O-Ethyl Ascorbic Acid

Cell-communicating ingredient: Niacinamide

Exfoliant: Lactic Acid

Skin brightening: 3-O-Ethyl Ascorbic Acid, Niacinamide

Soothing: Panthenol, Allantoin

Other Ingredients

Buffering: Lactic Acid

Chelating: Tetrasodium EDTA

Emulsifying: Polysorbate 20

Moisturizer/humectant: Niacinamide, Pentylene Glycol, Panthenol, Lactic Acid

Preservative: Phenoxyethanol, Ethylhexylglycerin

Solvent: Aqua, Pentylene Glycol

Surfactant/cleansing: Polysorbate 20

Viscosity controlling: Hydroxyethylcellulose

Skim through

Ingredient name what-it-does irr., com. ID-Rating
Aqua solvent
3-O-Ethyl Ascorbic Acid antioxidant, skin brightening goodie
Niacinamide cell-communicating ingredient, skin brightening, anti-acne, moisturizer/​humectant superstar
Pentylene Glycol solvent, moisturizer/​humectant
Panthenol soothing, moisturizer/​humectant 0, 0 goodie
Phenoxyethanol preservative
Hydroxyethylcellulose viscosity controlling
Polysorbate 20 emulsifying, surfactant/​cleansing 0, 0
Allantoin soothing 0, 0 goodie
Ethylhexylglycerin preservative
Lactic Acid exfoliant, moisturizer/​humectant, buffering superstar
Tetrasodium EDTA chelating

the NewLab. 10% Vitamin C Serum

Ingredients explained

Aqua

Also-called: Water | What-it-does: solvent

Good old water, aka H2O. The most common skincare ingredient of all. You can usually find it right in the very first spot of the ingredient list, meaning it’s the biggest thing out of all the stuff that makes up the product.

It’s mainly a solvent for ingredients that do not like to dissolve in oils but rather in water.

Once inside the skin, it hydrates, but not from the outside - putting pure water on the skin (hello long baths!) is drying.

One more thing: the water used in cosmetics is purified and deionized (it means that almost all of the mineral ions inside it is removed). Like this, the products can stay more stable over time.

3-O-Ethyl Ascorbic Acid - goodie

Also-called: Form of Vitamin C, 3-O-Ethyl Ascorbate, EAC;Ethyl Ascorbic Acid | What-it-does: antioxidant, skin brightening

A very stable and promising form of the skincare superstar, Vitamin C. If you do not know why Vitamin C is such a big deal in skin care, you can catch up here. In short, Vitamin C has three proven magic abilities: antioxidant, collagen booster, and skin brightener. The problem, though, is that it's very unstable, turns brown and becomes ineffective in no time (after a few month) and the cosmetics industry is trying to come up with smart derivatives that are stable and have the magic properties of pure Vitamin C.

Ethyl Ascorbic Acidor EAC for short is an "etherified derivative of ascorbic acid" that consists of vitamin C and an ethyl group bound to the third carbon position. This makes Vitamin C very stable and soluble in bothwater and oil.

However, for a Vitamin C derivative to workit's not enough just to be stable, they also have to be absorbed into the skin and be converted there to pure Vitamin C. We have good news regarding the absorption: on top of manufacturer claims, there is somedata (animal study) demonstrating in can get into the skin, and it seems to be better at it than Ascorbyl Glucoside, another vitamin C derivative.

Regarding conversion, we can cite onlyamanufacturers claimsaying thatEAC ismetabolized in the skin into pure ascorbic acid (and the ascorbic acid content of EAC is very high - 86,4% - compared to the usual 50-60% Vitamin C content of other derivatives).

As for the three magic abilities of Vitamin C, we again mostly haveonly themanufacturer's claims, but at least those are very promising. EAC seems to have both anantioxidant and anti-inflammatory effect, and it's claimed to be able to boost the skin's collagen production. The strong point of EACthoughis skin brightening. On top of manufacturer claims, there is also clinical in-vivo (tested on real people) data showing that 2% EAC can improve skin tone and whiten the skin.

Overall, Ethyl Ascorbic Acid is a very promising but not a fully proven Vitamin C derivative. It's worth a try, especiallyif you are after Vitamin C's skin-brightening effects.

Niacinamide - superstar

Also-called: vitamin B3, nicotinamide | What-it-does: cell-communicating ingredient, skin brightening, anti-acne, moisturizer/humectant

  • A multi-functional skincare superstar with several proven benefits for the skin
  • Great anti-aging, wrinkle smoothing ingredient used at 4-5% concentration
  • Fades brown spots alone or in combination with amino sugar, acetyl glucosamine
  • Increases ceramide synthesis that results in a stronger, healthier skin barrier and better skin hydration
  • Can help to improve several skin conditions including acne, rosacea, and atopic dermatitis

Read all the geeky details about Niacinamide here >>

Pentylene Glycol

What-it-does: solvent, moisturizer/humectant

A multi-functional, silky feeling helper ingredient that can do quite many things. It's used as anemulsion stabilizer, solvent and a broad spectrum antimicrobial. According to manufacturer info, it's also amoisturizer and helps to make the product feel great on the skin. It works synergistically with preservatives and helps to improvewater-resistance of sunscreens.

Panthenol - goodie

Also-called: Pro-Vitamin B5 | What-it-does: soothing, moisturizer/humectant | Irritancy: 0 | Comedogenicity: 0

An easy-to-formulate, commonly used, nice to have ingredient that’s also called pro-vitamin B5. As you might guess from the “pro” part, it’s a precursor to vitamin B5 (whose fancy name is pantothenic acid).

Its main job in skincare products is to moisturise the skin. It’s a humectant meaning that it can help the skin to attract water and then hold onto it. There is also research showing that panthenol can help our skin to produce more lovely lipids that are important for a strong and healthy skin barrier.

Another great thing about panthenol is that it has anti-inflammatory and skin protecting abilities. A study shows that it can reduce the irritation caused by less-nice other ingredients (e.g. fragrance, preservatives or chemical sunscreens) in the product.

Research also shows that it might be useful for wound healing as it promotes fibroblast (nice type of cells in our skin that produce skin-firming collagen) proliferation.

If that wasn’t enough panthenol is also useful in nail and hair care products. A study shows that a nail treatment liquide with 2% panthenol could effectively get into the nail and significantly increase the hydration of it.

As for the hair the hydration effect is also true there. Panthenol might make your hair softer, more elastic and helps to comb your hair more easily.

Phenoxyethanol

What-it-does: preservative

It’s pretty much the current IT-preservative. It’s safe and gentle, but even more importantly, it’s not a feared-by-everyone-mostly-without-scientific-reason paraben.

It’s not something new: it was introduced around 1950 and today it can be used up to 1% worldwide. It can be found in nature - in green tea - but the version used in cosmetics is synthetic.

Other than having a good safety profile and being quite gentle to the skin it has some other advantages too. It can be used in many types of formulations as it has great thermal stability (can be heated up to 85°C) and works on a wide range of pH levels (ph 3-10).

It’s often used together with ethylhexylglycerin as it nicely improves the preservative activity of phenoxyethanol.

Hydroxyethylcellulose

Also-called: HEC | What-it-does: viscosity controlling, emulsion stabilising

A nice little helper ingredient that can thicken up cosmetic products and create beautifulgel formulas. It's derived from cellulose, the major component ofthe cell wall of green plants. It is compatible with most co-ingredients and gives a very good slip to the formulas.

Polysorbate 20

What-it-does: emulsifying, surfactant/cleansing | Irritancy: 0 | Comedogenicity: 0

It's a common little helper ingredient that helps water and oil to mix together. Also, it can help to increase the solubility of some other ingredients in the formula.

Allantoin - goodie

What-it-does: soothing | Irritancy: 0 | Comedogenicity: 0

Super common soothing ingredient. It can be found naturally in the roots & leaves of the comfrey plant, but more often than not what's in the cosmeticproductsis produced synthetically.

It's not only soothing but it' also skin-softening and protecting and can promote wound healing.

Ethylhexylglycerin

What-it-does: preservative, deodorant

If you have spottedethylhexylglycerinon the ingredient list, most probably you will see there also the current IT-preservative,phenoxyethanol. They are good friends becauseethylhexylglycerincan boost the effectiveness of phenoxyethanol (and other preservatives) and as an added bonus it feels nice on the skin too.

Also,it's an effective deodorant and a medium spreadingemollient.

Lactic Acid - superstar

What-it-does: exfoliant, moisturizer/humectant, buffering

  • It’s the second most researched AHA after glycolic acid
  • It gently lifts off dead skin cells to reveal newer, fresher, smoother skin
  • It also has amazing skin hydrating properties
  • In higher concentration (10% and up) it improves skin firmness, thickness and wrinkles
  • Choose a product where you know the concentration and pH value because these two greatly influence effectiveness
  • Don’t forget to use your sunscreen (in any case but especially so next to an AHA product)

Read all the geeky details about Lactic Acid here >>

Tetrasodium EDTA

What-it-does: chelating

A handy helper ingredient thathelps products to remain nice and stable for a longer time.It does so by neutralizing the metal ions in the formula (that usually get into there from water) that would otherwise cause some not so nice changes.

You may also want to take a look at...

what‑it‑does solvent

Normal (well kind of - it's purified and deionized) water. Usually the main solvent in cosmetic products. [more]

what‑it‑does antioxidant | skin brightening

A stable form of Vitamin C, whose strong point is skin-brightening. It might also have antioxidant, anti-inflammatory and collagen boosting abilities. [more]

what‑it‑does cell-communicating ingredient | skin brightening | anti-acne | moisturizer/humectant

A multi-functional skincare superstar that has clinically proven anti-aging, skin lightening, anti-inflammatory and barrier repair properties. [more]

what‑it‑does solvent | moisturizer/humectant

A multi-functional, silky feeling helper ingredient that can do quite many things. It's used as anemulsion stabilizer, solvent, and a broad spectrum antimicrobial. [more]

what‑it‑does soothing | moisturizer/humectant
irritancy,com. 0, 0

Pro-Vitamin B5 is a goodie that moisturises the skin, has anti-inflammatory, skin protecting and wound healing properties. [more]

what‑it‑does preservative

Pretty much the current IT-preservative. It’s safe and gentle, and can be used up to 1% worldwide. [more]

what‑it‑does viscosity controlling

A nice little helper ingredient that can thicken up cosmetic products and create beautifulgel formulas. It's derived from cellulose, the major component ofthe cell wall of green plants. [more]

what‑it‑does emulsifying | surfactant/cleansing
irritancy,com. 0, 0

It's a common little helper ingredient that helps water and oil to mix together. Also, it can help to increase the solubility of some other ingredients in the formula.

what‑it‑does soothing
irritancy,com. 0, 0

Super common soothing ingredient. It can be found naturally in the roots & leaves of the comfrey plant, but more often than not what's in the cosmeticproductsis produced synthetically.It's not only soothing but it' [more]

what‑it‑does preservative

It can boost the effectiveness of phenoxyethanol (and other preservatives) and as an added bonus it feels nice on the skin too. [more]

what‑it‑does exfoliant | moisturizer/humectant | buffering

A superstar AHA that not only exfoliates skin but is also a very good moisturizer. In higher concentration (10% and up) it can even improve skin firmness, thickness, and wrinkles. [more]

what‑it‑does chelating

A helper ingredient that helps to neutralize the metal ions in the formula (that usually get into there from water) that would otherwise cause some not so nice changes.

the NewLab. 10% Vitamin C Serum ingredients (Explained) (2025)

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