OGX Thick and Full Biotin and Collagen Volumizing Shampoo 13 fl. oz
Analysis updated August 2026 · How Scout scores
At a glance
Summary
This shampoo contains beneficial ingredients like biotin, hydrolyzed collagen, and hydrolyzed wheat protein, which support hair strength and health. However, it also includes PEG-7 Amodimethicone, a non-water-soluble silicone that can cause buildup, and synthetic fragrance, which may lead to allergic reactions and lacks transparency. The presence of these ingredients, along with a moderate level of processing, impacts the overall score.
Key ingredients 27
BiotinGood
Biotin is a vitamin that is often included in hair care products for its potential to strengthen hair. It is believed to improve hair health and promote growth. While topical application may not be as effective as oral supplementation, it is still considered beneficial.
Risks
Topical application may not significantly impact hair health.
Benefits
May help strengthen hair and improve overall hair health.
Hydrolyzed CollagenGood
Hydrolyzed Collagen is used in hair care products for its ability to strengthen and condition the hair. It helps to improve hair elasticity and reduce breakage. It is a beneficial ingredient for maintaining healthy hair.
Benefits
Strengthens and conditions hair, improving elasticity.
Hydrolyzed Wheat ProteinGood
Hydrolyzed Wheat Protein is included in shampoos for its ability to strengthen and repair damaged hair. It helps to retain moisture and improve hair texture. It is a beneficial ingredient for enhancing hair strength and appearance.
Risks
May cause allergic reactions in individuals with wheat allergies.
Benefits
Strengthens and repairs hair, improving moisture retention.
Water (Aqua)Neutral
Water is a common solvent used in cosmetic formulations. It helps to dissolve other ingredients and provides a base for the product. It does not have any direct benefits or risks associated with its use in shampoos.
Risks
There are no known risks associated with water in cosmetic products.
Benefits
Water acts as a solvent and carrier for other ingredients.
Sodium C14-16 Olefin SulfonateNeutral
Sodium C14-16 Olefin Sulfonate is a surfactant that helps to cleanse the hair by removing dirt and oil. It is considered a harsher cleansing agent compared to other milder surfactants. It can cause dryness or irritation in some individuals.
Risks
Potential to cause dryness or irritation to the scalp and hair.
Benefits
Effective in removing dirt and oil from the hair.
Cocamidopropyl BetaineNeutral
Standard formulation ingredient — neither beneficial nor harmful at typical use.
Risks
Rare cases of allergic reactions have been reported.
Benefits
Provides mild cleansing and enhances foam quality.
Ethyltrimonium Chloride Methacrylate/Hydrolyzed Wheat Protein CopolymerNeutral
This copolymer is used to provide conditioning and film-forming properties to the hair. It helps to improve hair manageability and reduce static. It is generally considered safe for use in hair care products.
Benefits
Improves hair manageability and reduces static.
Polyquaternium-22Neutral
Polyquaternium-22 is a conditioning agent that helps to improve hair texture and manageability. It forms a film on the hair surface, providing smoothness and reducing frizz. It is widely used in hair care formulations.
Benefits
Enhances hair smoothness and reduces frizz.
Linoleamidopropyl PG-Dimonium Chloride PhosphateNeutral
This ingredient is used as a conditioning agent in hair care products. It helps to improve hair texture and manageability. It is generally considered safe for use in cosmetic formulations.
Benefits
Improves hair texture and manageability.
Polyquaternium-39Neutral
Polyquaternium-39 is a film-forming agent that provides conditioning and anti-static properties to hair. It helps to improve hair smoothness and manageability. It is commonly used in hair care products for its beneficial effects.
Benefits
Enhances hair smoothness and reduces static.
Sodium Hydrolyzed Potato Starch DodecenylsuccinateNeutral
This ingredient is used as a thickening and conditioning agent in hair care products. It helps to improve the texture and feel of the product. It is generally considered safe for use in cosmetic formulations.
Benefits
Improves product texture and conditioning properties.
PEG-150 Pentaerythrityl TetrastearateNeutral
PEG-150 Pentaerythrityl Tetrastearate is used as a thickening agent in shampoos. It helps to stabilize the formulation and improve product consistency. It is generally considered safe for use in cosmetic products.
Benefits
Stabilizes formulation and improves consistency.
PPG-2 Hydroxyethyl CocamideNeutral
PPG-2 Hydroxyethyl Cocamide is used as a foam booster and thickener in shampoos. It helps to enhance the lather and improve the texture of the product. It is generally considered safe for use in cosmetic formulations.
Benefits
Enhances lather and improves product texture.
Laureth-4Neutral
Laureth-4 is used as an emulsifier and surfactant in shampoos. It helps to blend ingredients and improve product stability. It is generally considered safe for use in cosmetic formulations.
Benefits
Improves product stability and emulsification.
Glycol DistearateNeutral
Glycol Distearate is used as a pearlizing agent in shampoos to give them a creamy appearance. It also acts as an emulsifier and thickener. It is generally considered safe for use in cosmetic formulations.
Benefits
Provides a creamy appearance and improves texture.
Hexylene GlycolNeutral
Hexylene Glycol is used as a solvent and viscosity agent in shampoos. It helps to improve product texture and stability. It is generally considered safe for use in cosmetic formulations.
Risks
May cause irritation in sensitive individuals.
Benefits
Improves product texture and stability.
Sodium CitrateNeutral
Sodium Citrate is used as a buffering agent in shampoos to maintain pH balance. It helps to stabilize the formulation and improve product performance. It is generally considered safe for use in cosmetic formulations.
Benefits
Maintains pH balance and stabilizes formulation.
Citric AcidNeutral
Citric Acid is used as a pH adjuster in shampoos. It helps to maintain the acidity of the product and improve its performance. It is generally considered safe for use in cosmetic formulations.
Risks
May cause irritation in sensitive individuals.
Benefits
Maintains product acidity and improves performance.
Sodium HydroxideNeutral
Sodium Hydroxide is used as a pH adjuster in shampoos. It helps to neutralize acidity and stabilize the formulation. It is generally considered safe for use in cosmetic formulations.
Risks
May cause irritation if used in high concentrations.
Benefits
Neutralizes acidity and stabilizes formulation.
Ext. Violet 2 (CI 60730)Neutral
Ext. Violet 2 is a colorant used to impart color to shampoos. It is used in small quantities and is generally considered safe for use in cosmetic formulations. It does not have any direct benefits or risks associated with its use.
Benefits
Imparts color to the product.
Red 40 (CI 16035)Neutral
Red 40 is a synthetic dye used to impart color to shampoos. It is approved for use in cosmetics but may cause allergic reactions in some individuals. It does not have any direct benefits or risks associated with its use.
Risks
May cause allergic reactions in sensitive individuals.
Benefits
Imparts color to the product.
PEG-7 AmodimethiconeBad
PEG-7 Amodimethicone is a silicone-based conditioning agent that can lead to buildup on the hair over time. It provides smoothness and shine but may weigh down hair if not properly rinsed. It is not water-soluble, which can cause accumulation.
Risks
Potential for buildup and accumulation on hair.
Benefits
Provides smoothness and shine to hair.
Propylene GlycolBad
Processed additive flagged under Scout's ingredient doctrine.
Risks
May cause irritation in sensitive individuals.
Benefits
Retains moisture and improves product texture.
Acrylates/C10-30 Alkyl Acrylate CrosspolymerBad
Processed additive flagged under Scout's ingredient doctrine.
Benefits
Improves product consistency and stability.
Sodium BenzoateBad
Synthetic preservative that can form benzene in the presence of vitamin C.
Risks
May cause irritation in sensitive individuals.
Benefits
Prevents microbial growth and extends shelf life.
Fragrance (Parfum)Very Bad
Fragrance is used to impart scent to shampoos but can contain a mixture of undisclosed chemicals. It is a common cause of allergic reactions and sensitivities. The lack of transparency in its composition raises concerns about potential health effects.
Risks
Potential for allergic reactions and sensitivities.
Benefits
Provides a pleasant scent to the product.
Yellow 5 (CI 19140)Very Bad
Heavily flagged ingredient class under Scout's doctrine.
Risks
May cause allergic reactions in sensitive individuals.
Benefits
Imparts color to the product.
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