KORA Organics Plant Stem Cell Retinol Alternative Serum Versus Biossance Squalane + Phyto-Retinol Serum

KORA Organics Plant Stem Cell Retinol Alternative Serum Versus Biossance Squalane + Phyto-Retinol Serum

This anti-aging serum is formulated around Aloe Barbadensis Leaf Juice and Bakuchiol to soften the look of wrinkles and refine skin texture.

This anti-aging serum is formulated around Squalane and Niacinamide to soften the look of wrinkles and strengthen the skin barrier.

What's inside

Key Ingredients

Benefits

Concerns

Ingredients Side-by-side

Aloe Barbadensis Leaf Juice

Water

Glycerin

Rosa Canina Seed Oil

Isoamyl Laurate

Helianthus Annuus Seed Oil

Betaine

Euterpe Oleracea Fruit Extract

Cetearyl Olivate

Sorbitan Olivate

Lactobacillus Ferment

Bakuchiol

Xylityl Sesquicaprylate

Lysolecithin

Sclerotium Gum

Lactobacillus

Citric Acid

Potassium Sorbate

Medicago Sativa Extract

Pullulan

Xanthan Gum

Anhydroxylitol

Morinda Citrifolia Fruit Extract

Citrus Aurantium Amara Flower Oil

Cocos Nucifera Fruit Extract

Pelargonium Graveolens Flower Oil

Silica

Tocopherol

Sodium Benzoate

Beta-Sitosterol

Squalene

Sodium Hydroxide

Geraniol

Limonene

Linalool

Farnesol

Citronellol

Aloe Barbadensis Leaf Juice, Water, Glycerin, Rosa Canina Seed Oil, Isoamyl Laurate, Helianthus Annuus Seed Oil, Betaine, Euterpe Oleracea Fruit Extract, Cetearyl Olivate, Sorbitan Olivate, Lactobacillus Ferment, Bakuchiol, Xylityl Sesquicaprylate, Lysolecithin, Sclerotium Gum, Lactobacillus, Citric Acid, Potassium Sorbate, Medicago Sativa Extract, Pullulan, Xanthan Gum, Anhydroxylitol, Morinda Citrifolia Fruit Extract, Citrus Aurantium Amara Flower Oil, Cocos Nucifera Fruit Extract, Pelargonium Graveolens Flower Oil, Silica, Tocopherol, Sodium Benzoate, Beta-Sitosterol, Squalene, Sodium Hydroxide, Geraniol, Limonene, Linalool, Farnesol, Citronellol

Squalane

Niacinamide

Sodium Acrylates Copolymer

Sodium Hyaluronate

Rosa Canina Fruit Oil

Citrus Aurantium Amara Peel Oil

Biosaccharide Gum-1

Yeast Extract

Soy Amino Acids

Lecithin

Hexylene Glycol

Ethylhexylglycerin

Caprylyl Glycol

Phenoxyethanol

Tetrasodium Glutamate Diacetate

Water, Squalane, Niacinamide, Sodium Acrylates Copolymer, Bakuchiol, Sodium Hyaluronate, Rosa Canina Fruit Oil, Citrus Aurantium Amara Peel Oil, Biosaccharide Gum-1, Yeast Extract, Soy Amino Acids, Lecithin, Hexylene Glycol, Ethylhexylglycerin, Caprylyl Glycol, Phenoxyethanol, Tetrasodium Glutamate Diacetate, Citric Acid, Linalool, Geraniol, Limonene

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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.

Bakuchiol is a plant-derived antioxidant from the seeds of the Psoralea corylifolia plant. It has antimicrobial, emollient, skin conditioning, and antioxidant properties.

You'll likely see it called a "retinol replacement" but the two are technically not related. This is because bakuchiol is able to flip many of the same switches in your skin cells to tell them to:

1) produce more collagen (type I, III, and IV) 2) activate the same genes retinoids do

Unlike retinoids, this ingredient will not increase photosensitivity and is safe to use during pregnancy (but please still check in with your doctor!).

The flagship clinical trial from Dhaliwal et al. 2019 found 0.5% bakuchiol (twice daily) and 0.5% retinol (once daily) reduced wrinkles and hyperpigmentation equally, but bakuchiol had significantly less irritation.

Systematic reviews also back this up:

Bakuchiol is comparable to retinol for photoaging but with better tolerability. It also has mild antibacterial properties against Cutibacterium acnes and antifungal activity in vitro against Candida and dermatophytes.

The reason bakuchiol works well is due to its structure; it is a meroterpene phenol, or a hybrid molecule. The phenol half acts as an antioxidant while the terpene half is fat-loving. This helps the molecule slip through the skin barrier.

This ingredient is usually used between 0.5-2%. Only one case of contact dermatitis has ever been reported for this ingredient.

Citric Acid is an alpha hydroxy acid (AHA) naturally found in citrus fruits like oranges, lemons, and limes.

Like other AHAs, citric acid can exfoliate skin by breaking down the bonds that hold dead skin cells together. This helps reveal smoother and brighter skin underneath.

However, this exfoliating effect only happens at high concentrations (20%) which can be hard to find in cosmetic products.

Due to this, citric acid is usually included in small amounts as a pH adjuster. This helps keep products slightly more acidic and compatible with skin's natural pH.

In skincare formulas, citric acid can:

While it can provide some skin benefits, research shows lactic acid and glycolic acid are generally more effective and less irritating exfoliants.

Most citric acid used in skincare today is made by fermenting sugars (usually from molasses). This synthetic version is identical to the natural citrus form but easier to stabilize and use in formulations.

Rosacea skin has a lower threshold for acids generally, with 62.5% of rosacea subjects in one study reacting to lactic acid in a sting test. This is why we mark citric acid as a potential rosacea trigger.

However, this ingredient shows up as a pH adjuster or chelator at roughly 0.1-1% in many products. These low levels are unlikely to be an issue for rosacea skin and becomes a potential trigger at exfoliating concentrations (20%). Because everybody's skin is unique, we recommend a patch test if you are unsure.

Geraniol is used to add fragrance/parfum to a product. It is the main component of citronellol. It is a monoterpenoid and an alcohol.

Monoterpenes are naturally found in many parts of different plants.

Geraniol can be found in many essential oils including Rose Oil and Citronella Oil. The scent of Geraniol is often described as "rose-like". Many foods also contain Geraniol for fruit flavoring.

Geraniol can irritate the skin when exposed to air. However, irritation depends on the ability of geraniol to penetrate into the skin. In general, geraniol is not able to penetrate skin easily.

Geraniol is colorless and has low water-solubility. However, it is soluble in common organic solvents.

Like citronellol, it is a natural insect repellent.

2,6-Octadien-1-ol, 3,7-dimethyl-, (2E)-

Limonene is a fragrance that adds scent and taste to a formulation.

It's found in the peel oil of citrus fruits and other plants such as lavender and eucalyptus. The scent of limonene is generally described as "sweet citrus".

Limonene acts as an antioxidant, meaning it helps neutralize free radicals.

When exposed to air, oxidized limonene may sensitize the skin. Because of this, limonene is often avoided by people with sensitive skin.

The term '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.

Linalool is a fragrance and helps add scent to products. It's derived from common plants such as cinnamon, mint, citrus, and lavender.

Like Limonene, this ingredient oxidizes when exposed to air. Oxidized linalool can cause allergies and skin sensitivity.

This ingredient has a scent that is floral, spicy tropical, and citrus-like.

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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