Avalon Organics Biotin B-Complex Thickening Shampoo: An In-Depth Look at the Ingredients

Avalon Organics Biotin B-Complex Thickening Shampoo is marketed as a therapy for achieving strong, healthy hair using simple, healing ingredients derived from nature. This article provides a detailed analysis of the shampoo's ingredients, exploring their properties, benefits, and potential drawbacks.

Key Ingredients and Their Functions

The shampoo's formula contains a variety of ingredients, each contributing to the overall cleansing, moisturizing, and thickening effect. These ingredients can be broadly categorized into cleansing agents, moisturizers, essential oils, extracts, and preservatives.

Cleansing Agents

Several cleansing agents are used in the shampoo to remove dirt and oil from the hair and scalp. These include:

• Coco-Glucoside: A mild, vegetable-derived (coconut/palm kernel oil and glucose) cleansing agent known for its moderate to high stable foam.
• Sodium Coco-Sulfate: Another vegetable-derived (coconut or palm kernel oil and glucose) cleansing agent, recognized for its excellent foaming capabilities.

Moisturizers

Hydration is crucial for healthy hair, and the shampoo incorporates several moisturizing ingredients:

• Aloe Vera: A well-known plant with moisturizing, anti-inflammatory (containing salicylates, polysaccharides, magnesium lactate, and C-glucosyl chromone), antibacterial, wound healing, and skin regeneration properties. While dermatologist Leslie Baumann suggests some claims about aloe vera may be overstated, its moisturizing benefits are well-documented.
• Glycerin: Functions as a humectant, attracting and retaining moisture in the hair and scalp.
• Xylitol: A sugar substitute that helps the skin retain water, contributing to hydration.
• Helianthus Annuus (Sunflower) Seed Oil: A plant oil rich in fatty acids (linoleic (50-74%) and oleic (14-35%)), acting as an emollient to smooth and hydrate the skin. Unrefined sunflower oil is particularly high in linoleic acid, which is beneficial even for acne-prone skin.
• Jojoba Oil: Chemically a wax ester, similar to human sebum, providing excellent moisturization and stability. Jojoba oil is known for its resistance to degradation, even at high temperatures. It is extremely stable. Like crazy stable. Even if you heat it to 370 C (698 F) for 96 hours, it does not budge. (Many plant oils tend to go off pretty quickly). Second, jojoba oil is the most similar to human sebum (both being wax esters), and the two are completely miscible.

Essential Oils

Essential oils contribute fragrance and potential therapeutic benefits to the shampoo:

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• Citrus Aurantium Dulcis (Orange) Peel Oil: Essential oil from sweet orange rind. Citrus peel contains the problematic compound called furanocoumarin that makes them mildly phototoxic. Orange peel contains less of it than some other citruses (like bergamot or lime), but still, be careful with it especially if it is in a product for daytime use.
• Citrus Limon (Lemon) Peel Oil: Essential oil from lemon rind. Lemon peel contains a medium amount of furanocoumarins, more than sweet orange but less than bergamot. Be careful with it especially if it is in a product for daytime use.
• Citrus Grandis (Grapefruit) Peel Oil: Essential oil from pink grapefruit peel. The main component of citrus peel oils is limonene (around 90% for grapefruit peel). Other than that, citrus peels contain the problematic compounds called furanocoumarins that make them (mildly) phototoxic. So be careful with grapefruit peel oil, especially if it's in a product for daytime use.
• Eucalyptus Globulus Leaf Oil: Essential oil from eucalyptus leaves, containing eucalyptol (1,8-cineole), known for antibacterial and expectorant properties. Eucalyptus Globulus counts as rather non-sensitising with an EU sensitizer total of 5% (due to limonene).
• Rosmarinus Officinalis (Rosemary) Leaf Oil: Essential oil from rosemary leaves, containing fragrant components and potential skin irritant, camphor (around 15%).

Limonene is a super common fragrance ingredient. It's in many plants, e.g. rosemary, eucalyptus, lavender, lemongrass, peppermint and it's the main component (about 50-90%) of the peel oil of citrus fruits. It does smell nice but the problem is that it oxidizes on air exposure and the resulting stuff is not good for the skin. Oxidized limonene can cause allergic contact dermatitis and counts as a frequent skin sensitizer. Limonene's nr1 function is definitely being a fragrance component, but there are several studies showing that it's also a penetration enhancer, mainly for oil-loving components. All in all, limonene has some pros and cons, but - especially if your skin is sensitive - the cons probably outweigh the pros.

Extracts

Plant extracts are included for their potential therapeutic properties:

• Calendula Officinalis Flower Extract: Extract from Calendula or Marigold, known for its healing properties, particularly in wound treatment.
• Chamomilla Recutita (Matricaria) Flower Extract: Extract from chamomile flowers, valued for its anti-inflammatory (chamazulene and bisabolol) and antioxidant (matricine, apigenin and luteolin) properties.
• Rubus Idaeus (Raspberry) Fruit Extract: Raspberry is one of the colorful berries that’s not only delicious but contains many biologically active, healthy compounds.

Other Notable Ingredients

• Alcohol: Simple alcohol (ethanol) acts as a solvent, penetration enhancer, astringent, and antimicrobial agent. However, it can be drying if present in high concentrations.
• Bisabolol: An active part of chamomile, known for its anti-inflammatory and soothing properties.
• Citric Acid: An AHA derived from citrus fruits, used for pH adjustment.
• Inulin: A naturally occurring fructose polysaccharide derived from plant roots, potentially acting as a prebiotic to support a healthy scalp microbiome.
• Tocopherol: The most commonly used version of pure vitamin E in cosmetics, functioning as an antioxidant.
• Glyceryl Oleate: The attachment of glycerin and oleic acid that works mainly as a co-emulsifier and stabilizer to create stable water-oil mixes, aka emulsions.

Preservatives

Preservatives are essential to prevent microbial growth and maintain the product's shelf life:

• Sodium Benzoate: A gentle preservative that must be combined with other preservatives for broad-spectrum protection.
• Potassium Sorbate: A preservative effective against mold and yeast, but requires water and a specific pH (3-4) to function. It should be used in combination with other preservatives.
• Phenoxyethanol: A helper ingredient that helps to make the products stay nice longer, aka preservative. It’s pH dependent and works best at acidic pH levels (3-5).

Potential Concerns and Considerations

While the Avalon Organics Biotin B-Complex Thickening Shampoo emphasizes natural ingredients, certain components may raise concerns for some individuals:

• Phototoxicity: Citrus peel oils (orange, lemon, grapefruit) contain furanocoumarins, which can cause phototoxicity. Caution is advised, especially with daytime use.
• Skin Sensitivity: Limonene, a component of many essential oils, can oxidize upon air exposure and become a skin sensitizer. Rosemary oil contains camphor, which can be a skin irritant.
• Alcohol: While alcohol has benefits in formulation, it can be drying to the hair and scalp, especially with frequent use.

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