Elizavecca Cer-100 Collagen Coating Hair A+ Muscle Curl Cream Versus Shiseido Tsubaki Premium Repair Mask Hair Pack

Elizavecca Cer-100 Collagen Coating Hair A+ Muscle Curl Cream Versus Shiseido Tsubaki Premium Repair Mask Hair Pack

What's inside

Key Ingredients

No key ingredients

Benefits

Concerns

Ingredients Side-by-side

Water

Propylene Glycol

Cyclopentasiloxane

Dimethicone

Glycerin

Pvp

Polyacrylamide

Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer

Parfum

C13-14 Isoparaffin

Tromethamine

1,2-Hexanediol

Caprylyl Glycol

Butylene Glycol

Laureth-7

Sodium Acrylate/Sodium Acryloyldimethyl Taurate Copolymer

Isohexadecane

Illicium Verum Fruit Extract

Phenoxyethanol

Polysorbate 80

Disodium EDTA

Oenothera Biennis Oil

Argania Spinosa Kernel Oil

Chamomilla Recutita Flower Oil

Sorbitan Oleate

Cyclomethicone

Hydrolyzed Collagen

Gelatin

Hydrolyzed Keratin

Avena Sativa Protein Extract

Rosmarinus Officinalis Leaf Extract

Lavandula Angustifolia Flower Extract

Thymus Vulgaris Flower/Leaf/Stem Extract

Origanum Vulgare Extract

Hydrolyzed Corn Protein

Hydrolyzed Wheat Protein

Hydrolyzed Soy Protein

Water, Propylene Glycol, Cyclopentasiloxane, Dimethicone, Glycerin, Pvp, Polyacrylamide, Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer, Parfum, C13-14 Isoparaffin, Tromethamine, 1,2-Hexanediol, Caprylyl Glycol, Butylene Glycol, Laureth-7, Sodium Acrylate/Sodium Acryloyldimethyl Taurate Copolymer, Isohexadecane, Illicium Verum Fruit Extract, Phenoxyethanol, Polysorbate 80, Disodium EDTA, Oenothera Biennis Oil, Argania Spinosa Kernel Oil, Chamomilla Recutita Flower Oil, Sorbitan Oleate, Cyclomethicone, Hydrolyzed Collagen, Gelatin, Hydrolyzed Keratin, Avena Sativa Protein Extract, Rosmarinus Officinalis Leaf Extract, Lavandula Angustifolia Flower Extract, Thymus Vulgaris Flower/Leaf/Stem Extract, Origanum Vulgare Extract, Hydrolyzed Corn Protein, Hydrolyzed Wheat Protein, Hydrolyzed Soy Protein

Isopentyldiol

Hydrogenated Rapeseed Alcohol

Behentrimonium Chloride

Stearyl Alcohol

Sorbitol

Aminopropyl Dimethicone

Hydroxyethyl Urea

Dihydroxypropyl Arginine Hcl

Steartrimonium Chloride

Lactic Acid

Camellia Seed Oil

Phytosteryl/Octyldodecyl Lauroyl Glutamate

Sodium Lauroyl Glutamate

Royal Jelly Extract

Sodium Acetylated Hyaluronate

Hydrolyzed Conchiolin Protein

Isopropyl Alcohol

Octyldodecanol

Alcohol

Citric Acid

Ammonium Lactate

Dipropylene Glycol

Adenosine Phosphate

Amodimethicone

PPG-2-Deceth-12

Tocopherol

Sodium Benzoate

CI 17200

CI 19140

Water, Glycerin, Dimethicone, Isopentyldiol, Hydrogenated Rapeseed Alcohol, Behentrimonium Chloride, Stearyl Alcohol, Sorbitol, Aminopropyl Dimethicone, Hydroxyethyl Urea, Dihydroxypropyl Arginine Hcl, Steartrimonium Chloride, Lactic Acid, Camellia Seed Oil, Phytosteryl/Octyldodecyl Lauroyl Glutamate, Sodium Lauroyl Glutamate, Royal Jelly Extract, Sodium Acetylated Hyaluronate, Hydrolyzed Conchiolin Protein, Isopropyl Alcohol, Octyldodecanol, Alcohol, Citric Acid, Ammonium Lactate, Butylene Glycol, Dipropylene Glycol, Adenosine Phosphate, Amodimethicone, PPG-2-Deceth-12, Tocopherol, Phenoxyethanol, Sodium Benzoate, Parfum, CI 17200, CI 19140

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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.

Dimethicone is a type of synthetic silicone created from natural materials such as quartz. It is also known as polydimethylsiloxane.

What it does:

Dimethicone comes in different viscosities:

Depending on the viscosity, dimethicone has different properties.

Ingredients lists don't always show which type is used, so we recommend reaching out to the brand if you have questions about the viscosity.

This ingredient is unlikely to cause irritation because it does not get absorbed into skin. However, people with silicone allergies should be careful about using this ingredient.

Note: Dimethicone may contribute to pilling. This is because it is not oil or water soluble, so pilling may occur when layered with products. When mixed with heavy oils in a formula, the outcome is also quite greasy.

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.

Parfum is a catch-all term for an ingredient or more that is used to give a scent to products.

Also called "fragrance", this ingredient can be a blend of hundreds of chemicals or plant oils. This means every product with "fragrance" or "parfum" in the ingredients list is a different mixture.

For instance, Habanolide is a proprietary trade name for a specific aroma chemical. When used as a fragrance ingredient in cosmetics, most aroma chemicals fall under the broad labeling category of “FRAGRANCE” or “PARFUM” according to EU and US regulations.

The term 'parfum' or 'fragrance' is not regulated in many countries. In many cases, it is up to the brand to define this term.

For instance, many brands choose to label themselves as "fragrance-free" because they are not using synthetic fragrances. However, their products may still contain ingredients such as essential oils that are considered a fragrance by INCI standards.

One example is Calendula flower extract. Calendula is an essential oil that still imparts a scent or 'fragrance'.

Depending on the blend, the ingredients in the mixture can cause allergies and sensitivities on the skin. Some ingredients that are known EU allergens include linalool and citronellol.

Parfum can also be used to mask or cover an unpleasant scent.

The bottom line is: not all fragrances/parfum/ingredients are created equally. If you are worried about fragrances, we recommend taking a closer look at an ingredient. And of course, we always recommend speaking with a professional.

Phenoxyethanol is one of the most widely used preservatives in skincare (and for good reason!).

It has a large spectrum of antimicrobial activity and especially effective bacteria, yeast, and mold while only having a weak effect on your skin's natural microbiome.

On a cellular level, it disrupts the cell membranes of microbes by poking holes that make the cell leak. This shuts down the chemical reactions the microbe needs to make energy so it can no longer survive.

Another perk of this ingredient is that it stays functional across a wide pH range (3-10).

You'll often see it paired with boosters like Ethylhexylglycerin; one study showed that a 1:9 ratio of Ethylhexylglycerin to Phenoxyethanol damages bacterial membranes as effectively as doubling the Phenoxyethanol concentration on its own.

Typical use concentrations range from 0.3-1% depending on the formula, and this ingredient is capped at 1% int the EU.

Safety-wise, the fear mongering does not hold up to the evidence. The EU's Scientific Committee on Consumer Safety and FDA consider it safe as a preservative at up to 1%, including for children of all ages.

Adverse systemic effects only showed up in animal studies at exposures roughly 200x higher than what people get from cosmetics. And despite its very widespread use, this ingredient is a rare sensitizer and allergic reactions are uncommon.

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!

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