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Skin science article

The INKEY List 15% Vitamin C And EGF Serum Versus Anua Heartleaf 80% Soothing Ampoule

The INKEY List 15% Vitamin C And EGF Serum Versus Anua Heartleaf 80% Soothing Ampoule This brightening serum is formulated around Ascorbyl Glucoside to brighten dull-looking skin and fade the look of dark spots. This calming ampoule is formulated around Houttu

The INKEY List 15% Vitamin C And EGF Serum Versus Anua Heartleaf 80% Soothing Ampoule

This brightening serum is formulated around Ascorbyl Glucoside to brighten dull-looking skin and fade the look of dark spots.

This calming ampoule is formulated around Houttuynia Cordata Extract and Panthenol to calm redness and hydrate skin.

What's inside

Key Ingredients

Benefits

Concerns

No concerns

Ingredients Side-by-side

Water

Ascorbyl Glucoside

Sodium Hydroxide

PEG-40 Hydrogenated Castor Oil

Phenoxyethanol

Benzyl Alcohol

Butylene Glycol

Xanthan Gum

Ethylhexylglycerin

Sodium Metabisulfite

Dehydroacetic Acid

Phytic Acid

Oligopeptide-1

Water, Ascorbyl Glucoside, Sodium Hydroxide, PEG-40 Hydrogenated Castor Oil, Phenoxyethanol, Benzyl Alcohol, Butylene Glycol, Xanthan Gum, Ethylhexylglycerin, Sodium Metabisulfite, Dehydroacetic Acid, Phytic Acid, Oligopeptide-1

Houttuynia Cordata Extract

Glycerin

1,2-Hexanediol

Betaine

Cassia Obtusifolia Seed Extract

Panthenol

Hydroxyethylcellulose

Sodium Hyaluronate

Arginine

Carbomer

Houttuynia Cordata Extract, Butylene Glycol, Glycerin, 1,2-Hexanediol, Betaine, Cassia Obtusifolia Seed Extract, Panthenol, Hydroxyethylcellulose, Sodium Hyaluronate, Arginine, Carbomer, Ethylhexylglycerin

Reviews

Alternatives

Ingredients Explained

These ingredients are found in both products.

Ingredients higher up in an ingredient list are typically present in a larger amount.

Butylene Glycol (or BG) is used within cosmetic products for a few different reasons:

Overall, Butylene Glycol is a safe and well-rounded ingredient that works well with other ingredients.

Though this ingredient works well with most skin types, some people with sensitive skin may experience a reaction such as allergic rashes, closed comedones, or itchiness.

Ethylhexylglycerin is created from glycerin. It is a multitasker ingredient that:

The CIR Expert Panel found minimal skin absorption or sensitization of any kind in a safety assessment. Though this ingredient is considered well-tolerated, a small number of cases of allergic dermatitis have been published since 2002. Just be sure to patch test if you are unsure.

Industry-reported use ranges from 8% in rinse-off products and 2% in leave-on formulations.

Similar Comparisons

The reference edit

Ingredients, questions
& further reading.

Connected source records selected through this article’s public topic index.

01

Formula cabinet

Ingredients & structured notes

Ingredient index

Ingredients Explained

  1. 01These ingredients are found in both products.
  2. 02Ingredients higher up in an ingredient list are typically present in a larger amount.
  3. 03Carbomer is a synthetic thickening and gelling agent. It's basically the ingredient that gives a lot of serums, gels, creams, and sunscreens their smooth, non-sticky texture.
  4. 04Although legally permitted at very high levels, carbomers are normally used at concentrations below 1%.
  5. 05It also needs to be neutralized to actually thicken, and because it is a large molecule, it doesn't really penetrate the skin barrier.
  6. 06Allergy-wise, the risk is very low. Clinical studies show carbomers have low potential for skin irritation/sensitization even at concentrations up to 100%.
  7. 07A 2024 UK study patch-tested 1,302 patients and found true allergy to the parent group of carbomer to be rare with no confirmed relevant reactions.
  8. 08Cetearyl Olivate is a plant-derived emulsifier and texture enhancer. It helps keep the oil and water phases from separating so your formulas stay stable.
  9. 09You'll likely see it combined with Sorbitan Olivate (together sold as the trade name Olivem 1000). This combination generates a liquid crystal structure that closely resemble the lipid organization of the stratum corneum.
  10. 10These "skin-like" liquid crystals improve skin barrier integrity and promote the delivery of actives into the skin.
  11. 11This ingredient is well-tolerated and has no significant sensitization data.
  12. 12Because it is derived from the fatty acids in olive oil, this ingredient may not be fungal acne safe.
  13. 13Citric Acid is an alpha hydroxy acid (AHA) naturally found in citrus fruits like oranges, lemons, and limes.
  14. 14Like other AHAs, citric acid can exfoliate skin by breaking down the bonds that hold dead skin cells together. This helps reveal smoother and brighter skin underneath.
  15. 15However, this exfoliating effect only happens at high concentrations (20%) which can be hard to find in cosmetic products.
  16. 16Due to this, citric acid is usually included in small amounts as a pH adjuster. This helps keep products slightly more acidic and compatible with skin's natural pH.
  17. 17In skincare formulas, citric acid can:
  18. 18While it can provide some skin benefits, research shows lactic acid and glycolic acid are generally more effective and less irritating exfoliants.
  19. 19Most citric acid used in skincare today is made by fermenting sugars (usually from molasses). This synthetic version is identical to the natural citrus form but easier to stabilize and use in formulations.
  20. 20Rosacea skin has a lower threshold for acids generally, with 62.5% of rosacea subjects in one study reacting to lactic acid in a sting test. This is why we mark citric acid as a potential rosacea trigger.
Source · skinsort.com
02

Product index

Related product references

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03

Comparison edit

Read side by side