PRODUCT REVIEW

Holika Holika Double Effector Collagen Cream

Works for:

based on ingredients and %

Anti-aging
Moisturizing
Anti-blemish
Evens skin tone

Can it cause trouble?

Key actives

Niacinamide 1.9% - 2.3%Allantoin 0.15% - 0.25%

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Product summary

Based on the ingredient list, "Holika Holika - Double Effector Collagen Cream" can work well for skin moisturization. The formulation is based on a combination of good humectants and emollients. Both are needed to increase the skin hydration level. Betaine, glycerin, hydrolyzed collagen, sodium hyaluronate and butylene glycol in this product (humectants) attract water molecules to the upper layer of the skin (the water comes from the outside air or from the deeper layers of the skin if the air is dry). Emollients in this formulation (hydrolyzed collagen, dimethicone, cyclopentasiloxane, arachidyl alcohol and glyceryl stearate) help to reduce the moisture loss from the skin. They also soften the skin surface and relieve the feeling of dryness and tightness.

Ingredient callouts

We particularly like that there is a good concentration of Niacinamide (1.90% - 2.30%) in this moisturizer. Niacinamide is a well-studied multi-tasking active. It is a great ingredient to have in a moisturizer. It is stable, and can work well in almost any hydrating formulation. There is solid evidence that Niacinamide can help support skin barrier, regulate oil production and reduce acne and clogged pores. It also helps to fight photodamage and help improve the skin tone, reducing pigmentation marks.
Adenosine 0.15% - 0.25%. It is a chemical present inside our skin cells. A clinical trial confirmed that topical application of Adenosine in a low concentration can reduce dynamic wrinkles (these are the wrinkles that appear with age in a places where our mimic is the most active, for example, in the corners of the eyes or on the forehead).

This product contains ingredients that could be beneficial, but their concentrations are too low in this formulation: stearic acid and allantoin

Irritation risk

There are some common irritants in this product, including ingredients that do not have benefits for the skin. We assess the overall irritancy of this moisturizer to be medium. For a detailed overview of all potential irritants: click here

You can see the detailed formula review with the breakdown of all actives in the product and the full ingredient list with estimated concentrations in the tables below.

Price

The product retails from 37.60$ up to 50.55$ in the United States and for 50.55£ in the United Kingdom.

For a detailed price comparison: click here.

What can the product work for?

Anti-aging

What does the product description say?

Atelocollagen and hydrolyzed collagen seek to firm and hydrate, while helping to plump fine lines and wrinkles.

Source: Mankind

This product can help reduce and prevent fine lines and wrinkles, improve skin elasticity and firmness because it contains adenosine, niacinamide.

These ingredients in the product can also be helpful, even though there is less evidence for their effectiveness: atelocollagen.

Keep in mind that it typically takes at least 6 weeks to notice any results because the changes that are needed to improve fine lines and elasticity happen in the deeper layers of the skin. No topical anti-aging product can “erase” wrinkles or fully reverse signs of aging.

niacinamide 1.9% - 2.3%

Irritation risk:

Concentration: Effectiveness: HIGH

Is proven to be effective in reducing blemishes, evening out skin tone and helping to improve lines and wrinkles. It helps the skin to repair sun damage, calm down inflammation and keep maintain good levels of moisture. The concentration of about 2% is effective for supporting the skin barrier and evening out the skin tone. Concentration of 4-6% is better for helping with acne and balancing the sebum production

adenosine 0.15% - 0.25%

Irritation risk:

Concentration: Effectiveness: HIGH

Might help improve cell turnover and reduce inflammation in skin. One study shows that the ingredients might be able to help reduce dynamic wrinkles (for example, in the corners of the eyes or on the forehead)

atelocollagen 0.35% - 0.65%

Irritation risk:

Concentration: Effectiveness: MEDIUM

A protein that helps to attract moisture to the upper layer of the skin and might be helpful in reducing fine lines and wrinkles

Moisturizing

What does the product description say?

Hydrates and improves the elasticity of the skin with the nutrients of seaweed extract.

Source: Yesstyle

This product can help improve hydration of the skin with the two types of ingredients.

The first type is called “humectants”:
these ingredients help attract water. When humectants are on the surface of the skin, they “pull in” the moisture from the outside environment, or from within deeper layers of the skin. The following ingredients in this product do the job: betaine, glycerin.

This product also contains ingredients called “occlusives”. They help reduce the speed with which our skin loses moisture to the outside environment. These ingredients also help soften the upper layer of the skin, so it feels less tight and nicer to the touch. The following ingredients in this product do the job: dimethicone, hydrolyzed collagen.

The following ingredients in this product are especially good for supporting the skin barrier and helping with the hydration level: niacinamide

glycerin 3% - 3.7%

Irritation risk:

Concentration: Effectiveness: HIGH

One of the best moisturizing ingredients. Naturally present in skin. It attracts water to the upper layer of the skin working as a humectant

atelocollagen 0.35% - 0.65%

Irritation risk:

Concentration: Effectiveness: HIGH

A protein that helps to attract moisture to the upper layer of the skin and might be helpful in reducing fine lines and wrinkles

hydrolyzed collagen 0.6% - 0.9%

Irritation risk:

Concentration: Effectiveness: HIGH

A typically plant-derived compound that is supposed mimic human collagen. Cannot penetrate the skin barrier so is not particularly useful in skincare products beyond attracting water to the upper layer of the skin

Anti-blemish

This product can help reduce breakouts and clogged pores because it contains the following ingredient: niacinamide. This ingredient is used for treating acne and can have a noticeable effect.

niacinamide 1.9% - 2.3%

Irritation risk:

Concentration: Effectiveness: HIGH

allantoin 0.15% - 0.25%

Irritation risk:

Concentration: Insufficient!

Helps calm down inflammation in skin and can help reduce itching. Helps to repair the skin barrier and keep skin hydrated

Evens skin tone

This product can help reduce hypepigmentation and even out the skin tone because it contains the following effective ingredients: niacinamide

Keep in mind that you would need to apply any topical skincare targetted at hypigmentation consistently for a couple of months to get a result. No topical skincare product can help get rid of hyperpigmentation (including post-acne marks and age spots) instantly.

niacinamide 1.9% - 2.3%

Irritation risk:

Concentration: Effectiveness: HIGH

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Can it cause trouble?

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Ingredients & concentrations

All ingredients

Key Actives

niacinamide 1.9% - 2.3%

Irritation risk:

Works for: Anti-aging, Evens skin tone, Moisturizing, Anti-blemish, Reduces irritation, Antibacterial, Anti-inflammatory, Reduces redness

allantoin 0.15% - 0.25%

Irritation risk:

Works for: Moisturizing, Anti-inflammatory, Reduces irritation, Reduces redness, Anti-blemish, Exfoliation

Helps calm down inflammation in skin and can help reduce itching. Helps to repair the skin barrier and keep skin hydrated

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Potential irritants

parfum 0.05% - 0.1%

Irritation risk:

An aromatic blend of unspecified and possibly irritating ingredients

1,2-hexanediol 0.7% - 1%

Irritation risk:

A preservative

Comodogenic ingredients

laminaria digitata extract 0.4% - 0.6%

Irritation risk: Comedogenicity: High

Works for: Moisturizing, Anti-oxidation, Anti-aging

Seaweed extract that helps the skin to attract water and make it more smooth for touch. Also shows promise of anti-aging properties, but good research is lacking at the moment

All ingredients

water 45% - 55%

Irritation risk:

Plain old water

butylene glycol 6.5% - 7.9%

Irritation risk:

Works for: Moisturizing

Used to create a nice product texture and help delivery of other ingredients. Might be somewhat helpful in attracting water to the upper layer of the skin

hydrogenated polyisobutene 4.4% - 5.4%

Irritation risk:

Works for: Moisturizing

Used to improve the product consistency and soften the upper layer of the skin

Ingredient list view

Water, Butylene glycol, Hydrogenated polyisobutene, Glycerin, Pentaerythrityl tetraethylhexanoate, Niacinamide, Betaine, Cyclopentasiloxane, 1,2-hexanediol, Cyclohexasiloxane, Dimethicone, Hydrolyzed collagen, Sodium dna, Soluble proteoglycan, Laminaria digitata extract, Atelocollagen, Arachidyl alcohol, Hydroxyethyl acrylate/sodium acryloyldimethyl taurate copolymer, Glyceryl stearate, Ammonium acryloyldimethyltaurate/vp copolymer, Stearic acid, Behenyl alcohol, Cetearyl olivate, Arachidyl glucoside, Sorbitan olivate, Allantoin, Ethylhexylglycerin, Adenosine, Sodium hyaluronate, Disodium edta, Parfum

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Price
WIMJ similarity score		91%	92%	91%	91%	91%	91%	90%	90%	90%	89%	89%
Key ingredients	niacinamide adenosine +8 more	Common: niacinamide adenosine +5 more Other: madecassic acid panthenol +6 more	Common: niacinamide adenosine +3 more Other: palmitoyl pentapeptide-4 limnanthes alba seed oil +4 more	Common: niacinamide adenosine +5 more Other: madecassic acid panthenol +6 more	Common: niacinamide adenosine +5 more Other: arginine beta-glucan +5 more	Common: niacinamide adenosine +3 more Other: madecassoside panthenol +7 more	Common: niacinamide adenosine +3 more Other: sh-octapeptide-4 sh-decapeptide-7 +11 more	Common: niacinamide adenosine +5 more Other: ceramide np palmitoyl pentapeptide-4 +11 more	Common: niacinamide adenosine +5 more Other: madecassoside madecassic acid +9 more	Common: niacinamide adenosine +2 more Other: panthenol erythritol +2 more	Common: niacinamide adenosine +5 more Other: madecassoside ceramide np +6 more	Common: niacinamide adenosine +6 more Other: panthenol ceramide np +12 more
Irritancy	IRRITANCY MEDIUM	IRRITANCY MEDIUM	IRRITANCY LOW	IRRITANCY MEDIUM	IRRITANCY MEDIUM	IRRITANCY LOW	IRRITANCY LOW	IRRITANCY MEDIUM	IRRITANCY MEDIUM	IRRITANCY LOW	IRRITANCY MEDIUM	IRRITANCY MEDIUM
Potential Irritants	parfum Has skin benefit? disodium edta Has skin benefit? +3 more	lavandula angustifolia oil Has skin benefit? scutellaria baicalensis root extract Has skin benefit? +11 more	disodium edta Has skin benefit? portulaca oleracea extract Has skin benefit? +6 more	lavandula angustifolia oil Has skin benefit? scutellaria baicalensis root extract Has skin benefit? +11 more	perilla frutescens leaf extract Has skin benefit? commiphora myrrha resin extract Has skin benefit? +15 more	asiaticoside Has skin benefit? centella asiatica leaf extract Has skin benefit? +9 more	caprylyl glycol Has skin benefit? pentylene glycol Has skin benefit? +6 more	parfum Has skin benefit? alcohol Has skin benefit? +9 more	parfum Has skin benefit? madecassoside Has skin benefit? +12 more	disodium edta Has skin benefit? cetearyl glucoside Has skin benefit? +2 more	raspberry ketone Has skin benefit? rosa damascena flower water Has skin benefit? +17 more	tbhq Has skin benefit? parfum Has skin benefit? +9 more
All ingredients	water Has skin benefit? butylene glycol Has skin benefit? +29 more	water Has skin benefit? butylene glycol Has skin benefit? +34 more	snail secretion filtrate Has skin benefit? butylene glycol Has skin benefit? +34 more	water Has skin benefit? butylene glycol Has skin benefit? +34 more	water Has skin benefit? butylene glycol Has skin benefit? +37 more	terminalia ferdinandiana fruit extract Has skin benefit? water Has skin benefit? +23 more	water Has skin benefit? butylene glycol Has skin benefit? +33 more	water Has skin benefit? glycerin Has skin benefit? +51 more	water Has skin benefit? glycerin Has skin benefit? +42 more	water Has skin benefit? glycerin Has skin benefit? +28 more	water Has skin benefit? glycerin Has skin benefit? +49 more	water Has skin benefit? glycerin Has skin benefit? +50 more

PRODUCT REVIEW

Holika Holika Double Effector Collagen Cream

Works for:

Can it cause trouble?

Key actives

Cheaper alternatives

Product summary

Ingredient callouts

Irritation risk

Price

What can the product work for?

Works for

Anti-aging

What does the product description say?

Moisturizing

What does the product description say?

Anti-blemish

Evens skin tone

Honesty check

How honest is this product?

Buy now

US Retailers

UK Retailers

Can it cause trouble?

Potential irritants

Comodogenic ingredients

User reviews (0)

Similar products & dupes

Ingredients & concentrations

All ingredients

Key Actives

Potential irritants

Comodogenic ingredients

All ingredients

Ingredient list view

Sources