Skin science article
Haruharu Wonder Centella Phyto & 5 Peptide Concentrate Cream Versus APLB Collagen EGF Peptide Facial Cream
Haruharu Wonder Centella Phyto & 5 Peptide Concentrate Cream Versus APLB Collagen EGF Peptide Facial Cream This anti-aging moisturizer is formulated around Centella Asiatica Extract and Madecassoside to soften the look of wrinkles and calm redness. This anti-a
Haruharu Wonder Centella Phyto & 5 Peptide Concentrate Cream Versus APLB Collagen EGF Peptide Facial Cream
This anti-aging moisturizer is formulated around Centella Asiatica Extract and Madecassoside to soften the look of wrinkles and calm redness.
This anti-aging moisturizer is formulated around Centella Asiatica Extract and Sh-Oligopeptide-1 to soften the look of wrinkles and strengthen the skin barrier.
What's inside
Key Ingredients
Benefits
Concerns
Ingredients Side-by-side
Water
Glycerin
Butylene Glycol
Caprylic/Capric Triglyceride
Helianthus Annuus Seed Oil
Polyglyceryl-3 Distearate
1,2-Hexanediol
Cetyl Alcohol
Cetyl Palmitate
Ammonium Acryloyldimethyltaurate/Vp Copolymer
Sorbitan Palmitate
Sorbitan Olivate
Glyceryl Stearate
Stearyl Alcohol
Xanthan Gum
Glyceryl Stearate Citrate
Myristyl Alcohol
Squalane
Caffeine
Hydrolyzed Soy Protein
Hydrogenated Lecithin
Pentylene Glycol
Ethylhexylglycerin
Adenosine
Butyrospermum Parkii Butter
Phytosterols
Lauryl Alcohol
Centella Asiatica Extract
Hydrolyzed Pea Protein
Madecassoside
Asiaticoside
Caprylyl Glycol
Xylitylglucoside
Anhydroxylitol
Copper Tripeptide-1
Xylitol
Acetyl Hexapeptide-8
Asiatic Acid
Madecassic Acid
Glucose
Ceramide NP
Hippophae Rhamnoides Fruit Extract
Oligopeptide-32
Oligopeptide-29
Palmitoyl Pentapeptide-4
Water, Glycerin, Butylene Glycol, Caprylic/Capric Triglyceride, Helianthus Annuus Seed Oil, Polyglyceryl-3 Distearate, 1,2-Hexanediol, Cetyl Alcohol, Cetyl Palmitate, Ammonium Acryloyldimethyltaurate/Vp Copolymer, Sorbitan Palmitate, Sorbitan Olivate, Glyceryl Stearate, Stearyl Alcohol, Xanthan Gum, Glyceryl Stearate Citrate, Myristyl Alcohol, Squalane, Caffeine, Hydrolyzed Soy Protein, Hydrogenated Lecithin, Pentylene Glycol, Ethylhexylglycerin, Adenosine, Butyrospermum Parkii Butter, Phytosterols, Lauryl Alcohol, Centella Asiatica Extract, Hydrolyzed Pea Protein, Madecassoside, Asiaticoside, Caprylyl Glycol, Xylitylglucoside, Anhydroxylitol, Copper Tripeptide-1, Xylitol, Acetyl Hexapeptide-8, Asiatic Acid, Madecassic Acid, Glucose, Ceramide NP, Hippophae Rhamnoides Fruit Extract, Oligopeptide-32, Oligopeptide-29, Palmitoyl Pentapeptide-4
Centella Asiatica Extract 29.2%
Cetyl Ethylhexanoate
Polyglyceryl-3 Methylglucose Distearate
Hydrolyzed Collagen
Sh-Oligopeptide-1
Sodium Hyaluronate
Stearic Acid
Sodium Polyacryloyldimethyl Taurate
Hydrogenated Polydecene
Trideceth-10
Silica
Beeswax
Macadamia Ternifolia Seed Oil
Betaine
Trehalose
Citric Acid
Sodium Citrate
Nelumbo Nucifera Extract
Artemisia Annua Extract
Oryza Sativa Extract
Yeast Ferment Extract
Solanum Melongena Fruit Extract
Melaleuca Alternifolia Leaf Extract
Beta-Glucan
Dipropylene Glycol
Disodium EDTA
Propanediol
Hydroxyacetophenone
Dipotassium Glycyrrhizate
Water, Centella Asiatica Extract 29.2%, Glycerin, Cetyl Ethylhexanoate, Butylene Glycol, Polyglyceryl-3 Methylglucose Distearate, Hydrolyzed Collagen, Sh-Oligopeptide-1, Sodium Hyaluronate, Stearic Acid, Sodium Polyacryloyldimethyl Taurate, Hydrogenated Polydecene, Trideceth-10, Silica, Glyceryl Stearate, Beeswax, Butyrospermum Parkii Butter, Macadamia Ternifolia Seed Oil, Betaine, Trehalose, Citric Acid, Sodium Citrate, Nelumbo Nucifera Extract, Artemisia Annua Extract, Oryza Sativa Extract, Yeast Ferment Extract, Solanum Melongena Fruit Extract, Melaleuca Alternifolia Leaf Extract, Squalane, Beta-Glucan, Dipropylene Glycol, Hippophae Rhamnoides Fruit Extract, Madecassic Acid, Asiaticoside, Asiatic Acid, Disodium EDTA, Propanediol, Hydroxyacetophenone, 1,2-Hexanediol, Ethylhexylglycerin, Dipotassium Glycyrrhizate
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Alternatives
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 one of the four main actives found in Centella Asiatica. Its headline job is stimulating collagen.
Lab tests on human skin cells show Asiatic Acid tells your skin to make more collagen, the protein that keeps skin firm and bouncy.
It also calms inflammation and acts as an antioxidant so it can help skin heal faster, rebuild itself, and repair a damaged barrier.
And on naming, even though "acid" is in the name, it's nothing like an AHA or BHA exfoliant. It's a gentle firming and soothing ingredient that supports your skin barrier.
Concentration-wise, Asiatic Acid is potent at very low doses and usually shows up as a small fraction of a broader centella extract.
Analyses of centella material put Asiatic Acid reported in the range of 0.2-3% of the extract.
This ingredient is non-sensitizing and guinea pig sensitization testing also found it to be a weak sensitizer. That means the risk of acquiring contact sensitivty is quite low.
Allergic contact dermatitis does exist but is also very rare; documented cases tend to involve prolonged use on broken skin plus co-sensitization to fragrance ingredients.
Asiaticoside 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%.
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.
This ingredient is also known as shea butter. It is a plant-derived extract from the nuts of the Africa shea tree and one of the most well-studied emollients.
Because it has a high concentration of fatty acids (primarily oleic, stearic, and linoleic) it is able to form a protective barrier on the skin's surface. This helps seal in moisture and prevents transepidermal water loss (TEWL).
In vitro research found an increase in skin hydration by 58% and a decrease in TEWL by 37.8% after 24 hours of applying this ingredient (pretty impressive for a single ingredient!).
Besides hydration, shea butter also contains triterpenes that have anti-inflammatory potential. In particule, lupeol cinnamate has shown the highest anti-inflammatory activity in vivo.
Shea butter also contains vitamins A and E which may contribute to antioxidant activity.
While Shea Butter has an SPF rating of about 3-4, it is not a sunscreen replacement.
This ingredient may not be fungal acne safe because its fatty acids fall within the C11-C24 range that the Malassezia yeast can metabolize.
Centella Asiatica Extract (Centella) is one of the most researched botanical extracts in skincare with decades of studies backing its effects on inflammation, collagen, and the skin barrier.
That research keeps pointing back to the same four triterpenoid saponins: Asiaticoside, Madecassoside, Asiatic Acid, and Madecassic Acid.
These compounds allow centella to dial back inflammation, encourage the skin to build and hold onto collagen, support the barrier and hydration, and bring solid antioxidant activity to protect against signs of aging.
Centella also carries a nice supporting cast of Vitamin A, vitamin C, several B vitamins, and amino acids. Put it all together and you get an ingredient that soothes, hydrates, and protects, all at once.
Most of centella's magic comes from the four big compounds (Asiaticoside, Madecassoside, Asiatic Acid, and Madecassic Acid). These are the actives doing the heavy lifting in almost every centella study.
Here is the short version of what they do in the skin:
So it is not just soothing for the sake of soothing. Centella calms the skin AND helps it rebuild.
Just FYI, not all centella on an ingredient list is the same. What you are getting actually depends on the extract:
Fun fact on the ratios: the leaves tend to be richest in Madecassoside and Asiaticoside, and lower in the two acids. The exact amounts shift with where the plant is grown and how it is processed. This means purity really does vary brand to brand.
Centella is one of the most easygoing actives out there.
It layers well with basically everything: niacinamide, hyaluronic acid, peptides, and vitamin C, and also pairs nicely with stronger actives like retinoids and exfoliating acids where it can help take the edge off irritation.
On the safety side, centella and its triterpenes are classified as weak sensitizers, meaning allergic reactions are possible but uncommon.
Patch tests at 1% and 5% came back negative in test panels, and creams at typical use levels did not cause allergic reactions across large groups of people.
But as with any new active, a patch test is still a smart move for very reactive skin.
Centella is widely used because it is effective at low percentages. For context, human safety testing found no meaningful irritation from creams containing centella extract at everyday use levels (the tested amounts were well under 1%).
The irritancy threshold in animal testing was also above 30% (so real-world formulas sit far below anything concerning).
In collagen lab studies, higher concentrations drove more collagen synthesis, so serums built around centella tend to feature it more prominently.
Bottom line: you will find centella working nicely anywhere from a fraction of a percent up to hero-ingredient levels depending on whether it is a supporting soother or the main event.
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.
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.
Glycerin (or glycerol) is a compound naturally found in your skin. It's a powerhouse humectant that pulls water into the stratum corneum.
Topically, glycerin does several things at once:
Your skin makes glycerin on its own (mostly from sebaceous oil breakdown) and shuttles it to your outermost layer of skin, or your epidermis, via aquaporin-3.
Aquaporin-3 is a transporter that is essential for normal skin hydration, elasticity, and repair. Interestingly, mice lacking in AQP3 have dry and less elastic skin that can be fully corrected with glycerin.
This ingredient is non-irritating, plays well with almost every ingredient, and works across all skin types. Typical use is anywhere between 3-10% but can go up to 79% in some leave-on products.
Just know very high concentrations (>40%) can feel tacky in low humidity.
Glycerin is the name for this ingredient in American English. British English uses Glycerol/Glycerine.
Glyceryl Stearate is made by reacting glycerin with stearic acid (typically sourced from plant oils like palm or coconut). It's an emulsifier, emollient, and mild occlusive.
Emulsifiers help ingredients like oil and water stay mixed so your formula stays nicely blended and uniform in texture.
This ingredient is typically used in concentrations between 1-10%. Studies have found it to be non-sensitizing, non-phototoxic, and non-photoallergenic.
A close cousin of this ingredient is Glyceryl Stearate SE ("self-emulsifying"). This just has a small amount of sodium or potassium stearate added so it can emulsify without a co-emulsifier.
Since this ingredient is an ester of a C18 fatty acid, it may not be fungal acne safe. The Malassezia yeast can potentially metabolize within the C11-C24 range.
Fun fact: The human body also creates Glyceryl Stearate naturally.
Hippophae Rhamnoides Fruit Extract comes from the seabuckthorn berry. This berry is native to Asia and has been used in traditional medicine for centuries.
The seabuckthorn fruit contains carotenoids, palmitic acid, palmitoleic acid, Vitamin C, linoleic acid, and vitamin E.
The nutritious content of seabuckthorn fruit helps hydrate and nourish the skin. A study from 2018 found seabuckthorn may help with alleviating UV damage due to its anti-inflammatory property. However, it should not replace your sunscreen.
Due to its antioxidant properties, seabuckthorn fruit may help reduce the signs of aging. Antioxidants help fight unstable free-radical molecules, or molecules that may damage your skin cells.
Madecassic Acid is one of the four star actives in Centella Asiatica. In skincare, it earns its keep as a calming and repairing ingredient.
It works through the same core pathways as the rest of the centella family.
First, it turns down inflammation so it helps with things like redness and general upset skin.
Second, it acts as an antioxidant which means it helps protect skin from daily stress and damage.
And third, it nudges the skin to make more collagen and rebuild its support structure.
That combination is why the whole Centella family is known for calming skin, strengthening the barrier, fading redness, and giving anti-aging benefits.
It's worth being honest about the evidence here; a lot of the strongest data is on the full extract or a Madecassoside/Asiaticoside rather than Madecassic Acid alone. Reviewers also note more long-term clinical trials are needed to confirm the full potential.
Concentration-wise, this ingredient is rarely used pure and usually shows up as part of a standardized centella extract where reported content ranges from 0.02-3.06%.
Finished products typically run somewhere in the 0.1-10% range depending on the format.
In real-world tolerance tests, a repeat-insult patch test on an eye lotion with 0.2% Centella extract showed no irritation or allergic contact dermatitis in 54 subjects. And a mascara with 0.5% Madecassoside caused neither irritation nor sensitization in 109 subjects.
Allergy risk is very low, but not zero. Centella and its constituents are classified as weak contact sensitizers and some rare cases of allergic contact dermatitis exist.
Squalane is the hydrogenated and shelf-stable form of squalene (a lipid that naturally occurs in human sebum).
It is an emollient and skin conditioning agent that is able to integrate seamlessly into the skin's lipid barrier without clogging pores.
This is due to how structurally similar it is to what your skin already produces.
Though it is mostly an emollient that helps soften and hydrate skin, it also has some humectant and occlusive action. Humectants help the skin retain moisture while occlusives seal it in, making squalane a triple-threat moisturizer.
Research shows it has antioxidant capabilities that help protect against stressors like UV exposure, specifically UVA induced oxidative stress. This study also found that it supports collagen biosynthesis in human dermal fibroblasts.
No clinical study has reported significant adverse effects and irritation reactions are very rare from this ingredient (even at 100% concentration).
Overall, it's a fantastic ingredient for hydration and is suitable for all skin types.
This depends on the source. Squalane can be derived from both plants and animals. Most squalane used in skincare comes from plants.
Please note: the source of squalane is only known if disclosed by the brand. We recommend reaching out to the brand if you have any questions about their squalane.
Read more about squalene with an "e".
Though squalane is often called an oil, it’s technically not one. It is a hydrocarbon, meaning it is only made of carbon and hydrogen. True oils are triglycerides and made of fatty acids and glycerol.
The term “oil-free” isn’t regulated so companies can define it however they want. Some exclude all oils, while others just avoid mineral oil or comedogenic oils.
Squalane has a comedogenic rating of 1 from the original 1972 study that tested raw ingredients under occlusion on rabbit ears. This system is not standardized or peer-reviewed, and using the raw ingredients is very different from how diluted cosmetic formulations are used on human skin.
A comedogenic rating of 1 means it is "unlikely to clog pores" according to the original rating system.
The overall formula of a product matters more than the individual ingredients on whether or not it will cause clogged pores.
Water. 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!