Kinship Brightwave 10% Vitamin C + Peptide Brightening Serum Versus iNNBEAUTY PROJECT Green Machine Skin Transforming Oil Jelly Serum

Kinship Brightwave 10% Vitamin C + Peptide Brightening Serum Versus iNNBEAUTY PROJECT Green Machine Skin Transforming Oil Jelly Serum

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

This brightening serum is formulated around Tranexamic Acid and Niacinamide to fade the look of dark spots and calm redness.

What's inside

Key Ingredients

Benefits

Concerns

Ingredients Side-by-side

Water

Tetrahexyldecyl Ascorbate

Squalane

Caprylic/Capric Triglyceride

Glycerin

Isoamyl Laurate

Cetearyl Olivate

Glyceryl Stearate Se

Sorbitan Olivate

N-Prolyl Palmitoyl Tripeptide-56 Acetate

Lactobacillus Ferment

Haematococcus Pluvialis Extract

Cetyl Alcohol

Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer

Tocopherol

Acacia Senegal Gum

Xanthan Gum

Sodium Gluconate

Pyrus Malus Fruit Extract

Citrus Aurantium Dulcis Peel Extract

Citrus Grandis Fruit Extract

Sorbitan Isostearate

Lavandula Angustifolia Flower/Leaf/Stem Extract

Olea Europaea Fruit Oil

Pentylene Glycol

Citrus Aurantifolia Peel Extract

Mentha Piperita Extract

Prunus Armeniaca Fruit Extract

Mangifera Indica Fruit Extract

Rubus Idaeus Fruit Extract

Cucumis Melo Cantalupensis Fruit Extract

Impatiens Balsamina Flower Extract

Vanilla Planifolia Fruit Extract

Caprylyl Glycol

Ethylhexylglycerin

Phenoxyethanol

Limonene

Linalool

Water, Tetrahexyldecyl Ascorbate, Squalane, Caprylic/Capric Triglyceride, Glycerin, Isoamyl Laurate, Cetearyl Olivate, Glyceryl Stearate Se, Sorbitan Olivate, N-Prolyl Palmitoyl Tripeptide-56 Acetate, Lactobacillus Ferment, Haematococcus Pluvialis Extract, Cetyl Alcohol, Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer, Tocopherol, Acacia Senegal Gum, Xanthan Gum, Sodium Gluconate, Pyrus Malus Fruit Extract, Citrus Aurantium Dulcis Peel Extract, Citrus Grandis Fruit Extract, Sorbitan Isostearate, Lavandula Angustifolia Flower/Leaf/Stem Extract, Olea Europaea Fruit Oil, Pentylene Glycol, Citrus Aurantifolia Peel Extract, Mentha Piperita Extract, Prunus Armeniaca Fruit Extract, Mangifera Indica Fruit Extract, Rubus Idaeus Fruit Extract, Cucumis Melo Cantalupensis Fruit Extract, Impatiens Balsamina Flower Extract, Vanilla Planifolia Fruit Extract, Caprylyl Glycol, Ethylhexylglycerin, Phenoxyethanol, Limonene, Linalool

Aloe Barbadensis Leaf Juice

Helianthus Annuus Seed Oil

Tranexamic Acid

Isosorbide Dicaprylate

Niacinamide

Cannabis Sativa Seed Oil

Chenopodium Quinoa Seed Oil

Kojic Acid

Lactic Acid

Alpha-Arbutin

Arthrospira Platensis Extract

Persea Gratissima Oil

Crithmum Maritimum Callus Culture Filtrate

Punica Granatum Seed Extract

Collagen Amino Acids

Potassium Azeloyl Diglycinate

Brassica Oleracea Acephala Leaf Extract

Spinacia Oleracea Leaf Extract

Moringa Oleifera Seed Oil

Sodium Hyaluronate

Melia Azadirachta Leaf Extract

Melia Azadirachta Flower Extract

Ocimum Sanctum Leaf Extract

Cucumis Sativus Fruit Extract

Origanum Vulgare Oil

Thymus Vulgaris Oil

Curcuma Longa Leaf Extract

Pinus Pinaster Bark Extract

Boerhavia Diffusa Root Extract

Solanum Melongena Fruit Extract

Corallina Officinalis Extract

Chondrus Crispus Extract

Coccinia Indica Fruit Extract

Citric Acid

Butylene Glycol

Maltodextrin

Leuconostoc/Radish Root Ferment Filtrate

1,2-Hexanediol

Potassium Sorbate

Sodium Benzoate

Amber Powder

Hydroxyacetophenone

Aloe Barbadensis Leaf Juice, Glycerin, Water, Helianthus Annuus Seed Oil, Tranexamic Acid, Isosorbide Dicaprylate, Niacinamide, Cannabis Sativa Seed Oil, Chenopodium Quinoa Seed Oil, Tetrahexyldecyl Ascorbate, Xanthan Gum, Kojic Acid, Lactic Acid, Alpha-Arbutin, Arthrospira Platensis Extract, Persea Gratissima Oil, Crithmum Maritimum Callus Culture Filtrate, Punica Granatum Seed Extract, Collagen Amino Acids, Potassium Azeloyl Diglycinate, Brassica Oleracea Acephala Leaf Extract, Spinacia Oleracea Leaf Extract, Moringa Oleifera Seed Oil, Sodium Hyaluronate, Melia Azadirachta Leaf Extract, Melia Azadirachta Flower Extract, Ocimum Sanctum Leaf Extract, Cucumis Sativus Fruit Extract, Origanum Vulgare Oil, Thymus Vulgaris Oil, Curcuma Longa Leaf Extract, Pinus Pinaster Bark Extract, Boerhavia Diffusa Root Extract, Solanum Melongena Fruit Extract, Corallina Officinalis Extract, Chondrus Crispus Extract, Coccinia Indica Fruit Extract, Citric Acid, Caprylyl Glycol, Butylene Glycol, Maltodextrin, Leuconostoc/Radish Root Ferment Filtrate, 1,2-Hexanediol, Potassium Sorbate, Sodium Benzoate, Amber Powder, Hydroxyacetophenone

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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.

Caprylyl Glycol is a humectant, skin conditioner, emollient, and preservative booster derived from either caprylic acid or synthetically created.

Typical use levels vary from 0.3-1% as a preservative booster and go up to 2% to condition skin.

Because it is not a free-fatty acid, this ingredient is fungal acne safe (there's nothing for Malassezia to feed on).

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.

Tetrahexyldecyl Ascorbate (THD) is a stable and oil-soluble form of Vitamin C.

THD is special in that it has the ability to travel deeper into skin than traditional ascorbic acid while maintaining the same skin benefits (double win!).

Because it’s oil-soluble, THD dives deep into your skin’s fatty layers (think ceramides and cholesterol) to fight off the kind of free radicals that mess with your skin barrier. This makes it a great pair with water-based vitamin C (ascorbic acid) that mainly works on the surface.

Even at just 0.1%, THD is already showing great antioxidant activity. When used up to 2%, it helps keep your skin happy and calm, especially when it’s stressed from pollution or sun.

Want to fade dark spots or tackle hyperpigmentation? You’ll want 5% or more. Pairing it with brightening buddies like niacinamide or licorice root gives even better results. One study even used 30% THD with other brighteners and saw real results on stubborn discoloration, even in melasma-prone skin.

A note on THD: It’s has a slightly silky, oily texture and usually shows up colorless or pale yellow (though the exact shade can vary by supplier).

While you can sneak it into water-based formulas, it really shines when paired with silicones or oils, which help your skin soak it up better.

THD is pretty stable, but it’s still vulnerable to degradation like ascorbic acid. Too much light or heat (above 113°F / 45°C) can break it down over time. Go for dark and opaque packaging that keeps it safe and shady!

Read more about other types of Vitamin C:

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!

Xanthan gum is used as a stabilizer and thickener within cosmetic products. It helps give products a sticky, thick feeling - preventing them from being too runny.

On the technical side of things, xanthan gum is a polysaccharide - a combination consisting of multiple sugar molecules bonded together.

Xanthan gum is a pretty common and great ingredient. It is a natural, non-toxic, non-irritating ingredient that is also commonly used in food products.

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