A gentle, protein-based conditioner that helps strengthen hair and reduce frizz without weighing it down.
Irritation
low
Source
semi-synthetic
Beauty ingredient research
Browse the review database to understand what an ingredient is, what it does in a beauty formula, when it is useful, and when it deserves caution across skincare, haircare, bodycare, makeup, and more.
20769
Reviewed ingredients
524
Low-concern standouts
2884
Need usage caution
A gentle, protein-based conditioner that helps strengthen hair and reduce frizz without weighing it down.
Irritation
low
Source
semi-synthetic
A gentle conditioning ingredient that makes hair and skin feel softer and more manageable without heavy buildup.
Irritation
low
Source
semi-synthetic
Quaternium-82 is a synthetic conditioning ingredient that helps reduce static and improve hair feel, but it may build up on fine or low-porosity hair over time.
Irritation
low
Source
synthetic
A synthetic conditioning ingredient that helps reduce flyaways and static in hair, generally considered safe for most users.
Irritation
low
Source
synthetic
A gentle synthetic conditioner that smooths hair and reduces static, but may build up with frequent use.
Irritation
low
Source
synthetic
Quaternium-88 is a gentle conditioning polymer that smooths hair and skin without heavy buildup, making it a popular choice for sensitive scalps and fine hair.
Irritation
low
Source
synthetic
A gentle synthetic conditioning agent that reduces frizz and static without heavy buildup.
Irritation
low
Source
synthetic
A gentle synthetic conditioner that helps detangle hair and reduce flyaways without heavy buildup.
Irritation
low
Source
synthetic
A synthetic conditioning agent that helps reduce static and improve the feel of hair and skin, generally well-tolerated but not a standout active.
Irritation
low
Source
synthetic
Quaternium-97 is a synthetic conditioning ingredient that helps reduce frizz and static while making hair feel softer and easier to manage.
Irritation
low
Source
synthetic
A gentle, yeast-derived peptide that helps hydrate and support the skin barrier, but research is still emerging.
Irritation
low
Source
biotech
A gentle, plant-derived ingredient that helps soften and smooth skin with minimal irritation risk.
Irritation
low
Source
natural
Antistatic agent
RAPESEEDAMIDOPROPYL BENZYLDIMONIUM CHLORIDE
A gentle, plant-derived conditioning ingredient that helps detangle and soften hair without heavy buildup.
Irritation
low
Source
semi-synthetic
Antistatic Agent
RAPESEEDAMIDOPROPYL EPOXYPROPYL DIMONIUM CHLORIDE
A gentle conditioning ingredient that helps reduce frizz and static, but may not suit those seeking deep repair.
Irritation
low
Source
semi-synthetic
Humectant
RHIZOPUS/SACCHAROMYCES/COLLAGEN FERMENT FILTRATE
A fermented collagen ingredient that may help hydrate and condition skin, but research is still early and benefits are not yet proven in large human studies.
Irritation
low
Source
biotech
A gentle, fermented ingredient that helps hydrate and condition skin, with some antioxidant benefits from the fermentation process.
Irritation
low
Source
biotech
A gentle fermented rice bran extract that supports skin barrier function and provides antioxidant benefits, suitable for most skin types.
Irritation
low
Source
biotech
Antistatic Agent
RICE BRANAMIDOPROPYL HYDROXYETHYL DIMONIUM CHLORIDE
A mild, rice-derived conditioning ingredient that reduces static and adds softness, ideal for fine or easily weighed-down hair.
Irritation
low
Source
semi-synthetic
A gentle, fermented rice ingredient that hydrates, lightly exfoliates, and supports a smoother, more even-looking complexion.
Irritation
low
Source
biotech
A gentle, castor-oil-derived conditioning agent that softens hair and skin without heavy buildup.
Irritation
low
Source
semi-synthetic
A gentle, castor-oil-derived conditioning ingredient that smooths hair without heavy buildup, ideal for fine or oily hair types.
Irritation
low
Source
semi-synthetic
A gentle, synthetic amino acid derivative that may help calm skin and support barrier repair, though research is still emerging.
Irritation
low
Source
synthetic
A gentle, biotech-derived ferment that pairs yeast metabolites with magnesium to support hydration and a healthy-looking skin barrier.
Irritation
low
Source
biotech
A gentle, biotech-derived ingredient that combines yeast ferment with silicon to support skin comfort and a healthy-looking barrier.
Irritation
low
Source
biotech
A gentle fermented ingredient that may help hydrate and support the skin barrier, but research is still limited.
Irritation
low
Source
biotech
A novel ingredient from sheep skin that may support skin repair, but research is very limited and it's not a proven must-have.
Irritation
low
Source
biotech
Silanetriol is a gentle, water-soluble silicon ingredient that helps improve skin firmness and hydration without clogging pores.
Irritation
low
Source
synthetic
A gentle, water-soluble silicon complex that helps hydrate and support skin barrier function without the stickiness of some silicones.
Irritation
low
Source
semi-synthetic
A gentle, water-soluble silicon compound that helps support skin firmness and hydration without irritation.
Irritation
low
Source
semi-synthetic
A gentle, water-soluble silicone that smooths hair and skin without the heavy feel of traditional silicones.
Irritation
low
Source
synthetic
Silicone Quaternium-10 is a gentle conditioning ingredient that smooths hair and reduces static without heavy buildup.
Irritation
low
Source
semi-synthetic
Silicone Quaternium-12 is a gentle conditioning ingredient that smooths hair and reduces static without heavy buildup.
Irritation
low
Source
synthetic
Silicone Quaternium-16 is a gentle conditioning ingredient that smooths hair and skin without heavy buildup, but it may not suit those avoiding silicones entirely.
Irritation
low
Source
synthetic
Antistatic Agent
Silicone Quaternium-16/Glycidoxy Dimethicone Crosspolymer
A gentle, positively charged silicone that smooths hair and reduces static without the heavy feel of traditional silicones.
Irritation
low
Source
synthetic
A gentle conditioning silicone that smooths hair and reduces static without heavy buildup.
Irritation
low
Source
synthetic
Silicone Quaternium-18 is a gentle conditioning ingredient that smooths hair and reduces static, but may build up over time with infrequent washing.
Irritation
low
Source
synthetic
Silicone Quaternium-2 is a gentle, positively charged silicone that smooths hair and reduces frizz without heavy buildup.
Irritation
low
Source
synthetic
A gentle conditioning ingredient that helps detangle hair and soften skin without heavy buildup, thanks to its silicone and panthenol components.
Irritation
low
Source
semi-synthetic
A gentle conditioning silicone that smooths hair and reduces static, but may build up on fine or low-porosity hair over time.
Irritation
low
Source
synthetic
A gentle silicone conditioner that smooths hair and reduces static without heavy buildup.
Irritation
low
Source
synthetic
A gentle silicone conditioner that smooths hair without heavy buildup, ideal for fine or oily hair types.
Irritation
low
Source
synthetic
A gentle silicone conditioner that smooths hair without heavy buildup, but may not suit very fine or low-porosity hair.
Irritation
low
Source
synthetic
A gentle, water-soluble silicone that smooths hair and reduces static without heavy buildup.
Irritation
low
Source
synthetic
Silicone Quaternium-3 is a gentle conditioning ingredient that helps detangle and soften hair without heavy buildup, but may not suit very fine or low-porosity hair if used excessively.
Irritation
low
Source
synthetic
A gentle silicone that smooths hair and fights frizz without heavy buildup.
Irritation
low
Source
synthetic
A gentle silicone conditioner that smooths hair and skin without heavy buildup, ideal for fine or oily hair types.
Irritation
low
Source
synthetic
A gentle silicone derivative that smooths hair and reduces static without heavy buildup.
Irritation
low
Source
synthetic
Silicone Quaternium-7 is a gentle conditioning silicone that smooths hair and skin without heavy buildup, making it a popular choice for detangling and frizz control.
Irritation
low
Source
synthetic
Silicone Quaternium-9 is a gentle, water-soluble conditioning ingredient that smooths hair and reduces static without heavy buildup.
Irritation
low
Source
synthetic
A gentle silicone derivative that helps skin feel smooth while offering antioxidant protection, but research is still limited.
Irritation
low
Source
semi-synthetic
A synthetic skin-conditioning ingredient with limited research and potential for irritation; best avoided by sensitive skin.
Irritation
moderate
Source
synthetic
A mild, non-stripping cleanser that gently removes dirt while leaving skin feeling soft and hydrated.
Irritation
low
Source
semi-synthetic
Surfactant
SODIUM DILINOLEAMIDOPROPYL PG-DIMONIUM CHLORIDE PHOSPHATE
A gentle, multi-tasking ingredient that cleanses and conditions without stripping, making it ideal for sensitive or dry hair and skin.
Irritation
low
Source
semi-synthetic
Conditioning Agent
SODIUM MILKAMIDOPROPYL PG-DIMONIUM CHLORIDE PHOSPHATE
A gentle conditioning ingredient from milk lipids that helps soften hair and skin without heavy buildup.
Irritation
low
Source
semi-synthetic
A gentle, semi-synthetic ingredient that helps hydrate and plump the skin by mimicking natural skin components.
Irritation
low
Source
semi-synthetic
A gentle, semi-synthetic collagen derivative that helps skin feel smoother and more hydrated without the irritation of pure collagen.
Irritation
low
Source
semi-synthetic
A gentle skin conditioner that may help support moisture retention and skin barrier function, though research is limited.
Irritation
low
Source
semi-synthetic
Sodium Stearoyl DNA is a novel skin conditioner that may help support skin barrier function, but research is still limited.
Irritation
low
Source
semi-synthetic
A gentle, multi-tasking ingredient that may help calm skin and support barrier repair, but research is still early.
Irritation
low
Source
synthetic
Skin conditioning
SODIUM/TEA-UNDECYLENOYL HYDROLYZED COLLAGEN
A gentle, semi-synthetic ingredient that helps condition skin and may offer mild antimicrobial benefits, but research is limited.
Irritation
low
Source
semi-synthetic