Haruharu Wonder Centella 4% TXA Dark Spot Go Away Serum Versus Anua Azelaic Acid 15+ Intense Calming Serum
What's inside
What's inside
Key Ingredients
Benefits
Concerns
No concerns
Ingredients Side-by-side
Water
Skin ConditioningPropanediol
SolventNiacinamide 4%
SmoothingTranexamic Acid 4%
AstringentButylene Glycol
Humectant1,2-Hexanediol
Skin ConditioningPyrus Communis Fruit Extract
Skin ConditioningSodium Polyacryloyldimethyl Taurate
Emulsion StabilisingEthylhexylglycerin
Skin ConditioningPolyglyceryl-10 Laurate
Skin ConditioningMadecassoside
AntioxidantCentella Asiatica Extract
CleansingAsiaticoside
AntioxidantAscorbic Acid
AntioxidantAsiatic Acid
Skin ConditioningMadecassic Acid
Skin ConditioningSodium Ascorbyl Phosphate
AntioxidantWater, Propanediol, Niacinamide 4%, Tranexamic Acid 4%, Butylene Glycol, 1,2-Hexanediol, Pyrus Communis Fruit Extract, Sodium Polyacryloyldimethyl Taurate, Ethylhexylglycerin, Polyglyceryl-10 Laurate, Madecassoside, Centella Asiatica Extract, Asiaticoside, Ascorbic Acid, Asiatic Acid, Madecassic Acid, Sodium Ascorbyl Phosphate
Water
Skin ConditioningPropylene Glycol
HumectantAzelaic Acid
BufferingSodium Hydroxide
Buffering1,2-Hexanediol
Skin ConditioningCentella Asiatica Extract
CleansingDipropylene Glycol
HumectantButylene Glycol
HumectantPanthenol
Skin ConditioningHydroxyethylcellulose
Emulsion StabilisingGlycerin
HumectantEthylhexylglycerin
Skin ConditioningMelia Azadirachta Leaf Extract
Skin ConditioningSalicylic Acid
MaskingBiosaccharide Gum-1
HumectantAllantoin
Skin ConditioningDipotassium Glycyrrhizate
HumectantMelia Azadirachta Flower Extract
Skin ConditioningSodium Hyaluronate
HumectantMelaleuca Alternifolia Leaf Oil
AntioxidantSuccinic Acid
BufferingTotarol
AntioxidantBeta-Glucan
Skin ConditioningDextrin
AbsorbentTheobroma Cacao Extract
Skin ConditioningCentella Asiatica Leaf Extract
Skin ConditioningCentella Asiatica Root Extract
Skin ConditioningMadecassoside
AntioxidantAsiaticoside
AntioxidantAsiatic Acid
Skin ConditioningMadecassic Acid
Skin ConditioningTocopherol
AntioxidantSqualane
EmollientZinc PCA
HumectantChlorella Vulgaris Extract
Skin ConditioningCeramide NP
Skin ConditioningSodium Hyaluronate Dimethylsilanol
HumectantHydrolyzed Hyaluronic Acid
HumectantHydrolyzed Sodium Hyaluronate
Skin ConditioningHyaluronic Acid
HumectantPotassium Hyaluronate
Skin ConditioningHydroxypropyltrimonium Hyaluronate
Sodium Hyaluronate Crosspolymer
HumectantSodium Acetylated Hyaluronate
HumectantWater, Propylene Glycol, Azelaic Acid, Sodium Hydroxide, 1,2-Hexanediol, Centella Asiatica Extract, Dipropylene Glycol, Butylene Glycol, Panthenol, Hydroxyethylcellulose, Glycerin, Ethylhexylglycerin, Melia Azadirachta Leaf Extract, Salicylic Acid, Biosaccharide Gum-1, Allantoin, Dipotassium Glycyrrhizate, Melia Azadirachta Flower Extract, Sodium Hyaluronate, Melaleuca Alternifolia Leaf Oil, Succinic Acid, Totarol, Beta-Glucan, Dextrin, Theobroma Cacao Extract, Centella Asiatica Leaf Extract, Centella Asiatica Root Extract, Madecassoside, Asiaticoside, Asiatic Acid, Madecassic Acid, Tocopherol, Squalane, Zinc PCA, Chlorella Vulgaris Extract, Ceramide NP, Sodium Hyaluronate Dimethylsilanol, Hydrolyzed Hyaluronic Acid, Hydrolyzed Sodium Hyaluronate, Hyaluronic Acid, Potassium Hyaluronate, Hydroxypropyltrimonium Hyaluronate, Sodium Hyaluronate Crosspolymer, Sodium Acetylated Hyaluronate
Reviews
Ingredients Explained
These ingredients are found in both products.
Ingredients higher up in an ingredient list are typically present in a larger amount.
1,2-Hexanediol is a synthetic liquid and another multi-functional powerhouse.
It is a:
- Humectant, drawing moisture into the skin
- Emollient, helping to soften skin
- Solvent, dispersing and stabilizing formulas
- Preservative booster, enhancing the antimicrobial activity of other preservatives
Asiatic Acid is a major component of Centella Asiatica Extract. It has wound-healing, anti-inflammatory, and antioxidant properties.
Studies show Asiatic Acid is able to block the pathway for skin inflammation receptors, helping to soothe skin.
As an antioxidant, asiatic acid helps protect our skin against damaging environmental factors.
Learn more about Asiatic AcidAsiaticoside comes from the super popular skin-soothing ingredient, Centella asiatica. It's the reason centella-based products have a strong reputation for repairing and calming skin, along with its sibling compound Madecassoside.
Research from 2016-2025 supports its role in:
You'll usually find this in concentrations between 0.2-5%.
Learn more about AsiaticosideButylene 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.
Learn more about Butylene GlycolCentella Asiatica Extract (Centella) is derived from an herb native to Southeast Asia. It is famous for its anti-inflammatory and soothing properties.
Centella is rich in antioxidants and amino acids, such as Madecassic Acid and Asiaticoside.
Studies show the compounds in centella help with:
The combination of all these properties makes centella effective at soothing, hydrating, and protecting the skin.
Other great components of centella include Vitamin A, vitamin C, several B vitamins, and Asiatic Acid.
Fun fact: Centella has been used as a medicine and in food for many centuries. As a medicine, it is used to treat burns, scratches, and wounds.
Learn more about Centella Asiatica ExtractEthylhexylglycerin 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.
Learn more about EthylhexylglycerinMadecassic Acid is a major component of Centella Asiatica Extract. It has anti-inflammatory and antioxidant properties.
It is a triterpenoid, meaning it naturally acts as an antioxidant. Antioxidants protect your skin against damage from environmental factors such as pollution and UV.
Studies show Madecassic Acid helps soothe the skin due to its ability to block inflammation pathways.
Learn more about Madecassic AcidMadecassoside is one of four active compounds found in Centella asiatica and is one of the main reasons Centella is so effective at calming irritated skin and supporting the moisture barrier.
There's a solid body of peer-reviewed research backing Madecassoside for several skin benefits. Studies have found:
Madecassoside pairs well with other hydrating or antioxidant ingredients like Ascorbic Acid or Hyaluronic Acid.
Learn more about MadecassosideWater. It's the most common cosmetic ingredient of all. You'll usually see it at the top of ingredient lists, meaning that it makes up the largest part of the product.
So why is it so popular? Water most often acts as a solvent - this means that it helps dissolve other ingredients into the formulation.
You'll also recognize water as that liquid we all need to stay alive. If you see this, drink a glass of water. Remember to stay hydrated!
Learn more about Water