Renpure Biotin & Collagen Thickening Conditioner Versus Avalon Organics Thickening Conditioner Biotin B-Complex

Renpure Biotin & Collagen Thickening Conditioner Versus Avalon Organics Thickening Conditioner Biotin B-Complex

What's inside

Key Ingredients

No key ingredients

Benefits

Concerns

Ingredients Side-by-side

Water

Cetyl Alcohol

Glyceryl Stearate

Glycerin

Behentrimonium Chloride

Cocos Nucifera Oil

Biotin

Hydrolyzed Collagen

Theobroma Cacao Extract

Hydrolyzed Pea Protein

Aesculus Hippocastanum Seed Extract

Cetrimonium Chloride

Guar Hydroxypropyltrimonium Chloride

Polyquaternium-10

PEG-7 Dimethicone

Laureth-7

Polysorbate 20

Diazolidinyl Urea

Iodopropynyl Butylcarbamate

Parfum

Water, Cetyl Alcohol, Glyceryl Stearate, Glycerin, Behentrimonium Chloride, Cocos Nucifera Oil, Biotin, Hydrolyzed Collagen, Theobroma Cacao Extract, Hydrolyzed Pea Protein, Aesculus Hippocastanum Seed Extract, Cetrimonium Chloride, Guar Hydroxypropyltrimonium Chloride, Polyquaternium-10, PEG-7 Dimethicone, Laureth-7, Polysorbate 20, Diazolidinyl Urea, Iodopropynyl Butylcarbamate, Parfum

Aloe Barbadensis Leaf Juice

Brassica Alcohol

Brassicyl Isoleucinate Esylate

Capryloyl Glycerin/Sebacic Acid Copolymer

Cedrus Atlantica Bark Oil

Citrus Aurantifolia Oil

Citrus Aurantium Dulcis Peel Oil

Citrus Limon Peel Oil

Citrus Paradisi Peel Oil

Eucalyptus Globulus Leaf Oil

Juniperus Virginiana Oil

Persea Gratissima Oil

Rosmarinus Officinalis Leaf Oil

Zingiber Officinale Root Oil

Avena Sativa Kernel Extract

Calendula Officinalis Flower Extract

Chamomilla Recutita Flower Extract

Chenopodium Quinoa Seed

Citrus Aurantium Dulcis Fruit Extract

Citrus Grandis Fruit Extract

Daucus Carota Sativa Root Extract

Lavandula Angustifolia Flower/Leaf/Stem Extract

Persea Gratissima Fruit Extract

Rubus Idaeus Fruit Extract

Solanum Lycopersicum Fruit/Leaf/Stem Extract

Niacinamide

Panthenol

Tocopheryl Acetate

Stearyl Alcohol

Gluconolactone

Sodium Benzoate

Citral

Limonene

Aloe Barbadensis Leaf Juice, Water, Brassica Alcohol, Glycerin, Cocos Nucifera Oil, Brassicyl Isoleucinate Esylate, Capryloyl Glycerin/Sebacic Acid Copolymer, Cedrus Atlantica Bark Oil, Citrus Aurantifolia Oil, Citrus Aurantium Dulcis Peel Oil, Citrus Limon Peel Oil, Citrus Paradisi Peel Oil, Eucalyptus Globulus Leaf Oil, Juniperus Virginiana Oil, Persea Gratissima Oil, Rosmarinus Officinalis Leaf Oil, Zingiber Officinale Root Oil, Avena Sativa Kernel Extract, Calendula Officinalis Flower Extract, Chamomilla Recutita Flower Extract, Chenopodium Quinoa Seed, Citrus Aurantium Dulcis Fruit Extract, Citrus Grandis Fruit Extract, Daucus Carota Sativa Root Extract, Lavandula Angustifolia Flower/Leaf/Stem Extract, Persea Gratissima Fruit Extract, Rubus Idaeus Fruit Extract, Solanum Lycopersicum Fruit/Leaf/Stem Extract, Biotin, Niacinamide, Panthenol, Tocopheryl Acetate, Glyceryl Stearate, Stearyl Alcohol, Gluconolactone, Sodium Benzoate, Citral, Limonene

Alternatives

Ingredients Explained

These ingredients are found in both products.

Ingredients higher up in an ingredient list are typically present in a larger amount.

Biotin is a B vitamin that is naturally produced by our bodies. It is also called Vitamin H.

Our bodies use biotin in the metabolism process. It also helps our bodies use enzymes and move nutrients around. A biotin deficiency can lead to brittle hair and nails.

More research is needed on applying biotin topically. However, taking biotin orally has been shown to help nourish the skin, hair, and nails. They play a role in forming skin-hydrating fatty acids.

Biotin is water-soluble. It can be found in foods such as fish, eggs, dairy, nuts, and meat. Vitamin H stands for "haar" and "haut". These are the German words for hair and skin.

This ingredient is also known as coconut oil. It is a plant-derived ingredient with skin conditioning properties.

The fatty acid profile of coconut oil is mostly lauric acid (~54%), followed by capric, caprylic, palmitic, and myristic acids. This profile allows it to penetrate easily into skin, moisturize, and improve dry skin.

A double-blind study confirmed that extra virgin coconut oil is as effective as mineral oil for treating very dry skin. Another study found it outperformed mineral oil for mild to moderate atopic dermatitis in children.

Another study from 2018 found that virgin coconut oil can soothe inflammation and boost key skin barrier proteins. Just know this evidence is still only from lab settings and not human trials.

It has also been shown to reduce Staphylococcus aureus, a bacteria that commonly overgrows in people with eczema.

Clinical testing shows very minimal skin irritation and no evidence of sensitization or phototoxicity.

Coconut oil gets flagged as a "fragrance" because it has a natural mild scent (not because it's a synthetic perfume). The European Cosmetic ingredient database also lists "perfuming" as a function of this ingredient.

Just so you know, the term "fragrance" is completely unregulated. Some brands still use botanical extracts or essential oils in their "fragrance-free" formulas, but regulatory databases technically classify these under "fragrance".

Coconut oil has a tiny and useless bit of natural SPF. Early lab studies clocked it around SPF 7-8 but a more recent study found the real number closer to SPF 1.2. It also offers no meaningful UVA protection (SPF only overs UVB rays).

The comedogenic rating of 4/5 means it has a high potential to clog pores; but it's worth noting that comedogenicity is highly individual and ratings cannot predict how an overall formula will behave on skin.

Since lauric acid is the dominant fatty acid, this ingredient may not be fungal acne safe. The Malassezia yeast feeds on fatty acids with carbon chain lengths between 11-24, and lauric acid falls within these lengths (C12).

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.

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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