Ozonized glycerin is a gentle, multi-tasking ingredient that hydrates while offering soothing and antimicrobial benefits, making it a promising option for acne-prone or sensitive skin.
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
Ozonized glycerin is a gentle, multi-tasking ingredient that hydrates while offering soothing and antimicrobial benefits, making it a promising option for acne-prone or sensitive skin.
Irritation
low
Source
semi-synthetic
Ozonized jojoba oil combines the moisturizing benefits of jojoba with the antimicrobial potential of ozone, but research on its cosmetic efficacy is still limited.
Irritation
low
Source
semi-synthetic
Ozonized macadamia seed oil is a gentle, oxygen-enriched emollient that may support skin comfort and barrier function, but its ozone-related benefits are still being explored.
Irritation
low
Source
semi-synthetic
Ozonized meadowfoam seed oil is a unique, oxygen-enriched oil that may help calm skin and support a clearer complexion, though research is still emerging.
Irritation
low
Source
semi-synthetic
Ozonized Oleth-10 is a semi-synthetic surfactant with added ozone for potential antimicrobial benefits, but its skin effects are not well-studied and it may be drying for sensitive skin.
Irritation
moderate
Source
semi-synthetic
Ozonized PEG-10 Oleate is a semi-synthetic cleansing agent that helps remove dirt and oil, but its ozonized form is less studied and may cause irritation for sensitive skin.
Irritation
moderate
Source
semi-synthetic
A mild emulsifier that helps blend oil and water in cleansers, with added ozonized fatty acids for potential skin-soothing benefits.
Irritation
low
Source
semi-synthetic
Antioxidant
Ozonized Pereskia Grandifolia Callus Culture Extract
A novel, lab-grown plant extract with antioxidant potential, but research is still early and benefits are not yet proven in human studies.
Irritation
low
Source
biotech
Ozonized Polysorbate 80 is a modified emulsifier with potential antimicrobial benefits, but its ozone content may cause irritation for sensitive skin.
Irritation
moderate
Source
semi-synthetic
A novel biotech ingredient with antioxidant potential, but research is very limited and it's rarely found in mainstream products.
Irritation
low
Source
biotech
A novel biotech ingredient that combines rice callus extract with ozone for antioxidant and soothing benefits, but research is still emerging.
Irritation
low
Source
biotech
Ozonized sesame seed oil is a unique ingredient that combines the moisturizing benefits of sesame oil with the purifying properties of ozone, making it a promising option for acne-prone or irritated skin.
Irritation
low
Source
semi-synthetic
Ozonized sunflower seed oil is a semi-synthetic emollient that may help calm skin and support a clearer complexion, but research on its cosmetic benefits is still emerging.
Irritation
low
Source
semi-synthetic
Ozonized turpentine is a niche ingredient with potential antimicrobial benefits, but its strong odor and irritation risk limit its appeal for everyday skincare.
Irritation
moderate
Source
semi-synthetic
A novel fermented yeast ingredient with ozonation that may support skin antioxidant defenses, but human research is still limited.
Irritation
low
Source
biotech
P-Aminophenol is a common hair dye ingredient that helps create natural-looking shades, but it can cause allergic reactions and irritation in sensitive individuals.
Irritation
moderate
Source
synthetic
P-Aminophenol HCl is a synthetic colorant used in hair dyes; it is not a skincare ingredient and can cause irritation or allergic reactions in sensitive individuals.
Irritation
moderate
Source
synthetic
A synthetic hair dye ingredient that helps create long-lasting color but can cause skin irritation and allergic reactions in sensitive individuals.
Irritation
moderate
Source
synthetic
p-Anisic acid is a mild, naturally derived preservative helper that also offers gentle antioxidant and soothing benefits, making it a safe choice for most skin types.
Irritation
low
Source
natural
P-Anisonitrile is a synthetic fragrance compound that adds a sweet, anise-like scent to products, but it offers no skincare benefits and may cause sensitivity in some individuals.
Irritation
low
Source
synthetic
P-Anisyl Acetate is a synthetic fragrance compound that adds a sweet, floral scent to products, but it offers no skincare benefits and may be a concern for those with fragrance sensitivities.
Irritation
low
Source
synthetic
P-Anisyl Butyrate is a synthetic fragrance ingredient with a pleasant, sweet, floral scent; it is generally considered safe at low concentrations but may cause sensitivity in some individuals.
Irritation
low
Source
synthetic
P-Anisyl Formate is a synthetic fragrance compound that adds a pleasant floral-sweet note to products, but offers no skincare benefits and may cause sensitivity in those with fragrance allergies.
Irritation
low
Source
synthetic
P-Anisyl Isobutyrate is a synthetic fragrance ingredient that adds a sweet, floral scent to products; it is generally considered safe at low concentrations but may cause sensitivity in some individuals.
Irritation
low
Source
synthetic
A synthetic scent ingredient that adds a sweet, pleasant aroma but offers no skincare benefits and may cause sensitivity in some individuals.
Irritation
low
Source
synthetic
A synthetic fragrance ester that adds a sweet, floral scent to products; generally considered safe at low concentrations but offers no skincare benefits.
Irritation
low
Source
synthetic
A synthetic fragrance ingredient that adds a sweet, floral scent; considered safe at low levels but may cause sensitivity in some individuals.
Irritation
low
Source
synthetic
P-Cresol is a synthetic fragrance and preservative compound that can be irritating; it is rarely used in modern leave-on skincare and is best avoided by sensitive skin.
Irritation
moderate
Source
synthetic
A synthetic fragrance compound that adds scent but offers no skincare benefit; may cause irritation in sensitive individuals.
Irritation
moderate
Source
synthetic
A synthetic fragrance ingredient with limited public safety data; best for those who tolerate synthetic fragrances well.
Irritation
moderate
Source
synthetic
P-Cresyl Benzoate is a synthetic fragrance ingredient with limited safety data; it may cause irritation in sensitive individuals.
Irritation
moderate
Source
synthetic
p-Cresyl Isobutyrate is a synthetic fragrance ingredient that adds a sweet, floral note to products, but it offers no skincare benefits and may be a concern for those with fragrance sensitivities.
Irritation
low
Source
synthetic
A synthetic fragrance ester that adds a sweet, floral note to products but offers no skincare benefit beyond scent.
Irritation
low
Source
synthetic
P-Cresyl Methyl Ether is a synthetic fragrance component that adds a pleasant floral note but offers no skincare benefits and may be a concern for those with fragrance sensitivities.
Irritation
low
Source
synthetic
A synthetic ester that adds a subtle scent and light conditioning feel, but offers no active skincare benefits.
Irritation
low
Source
synthetic
A synthetic fragrance ingredient that adds a pleasant floral scent but offers no skincare benefits and may be unnecessary for sensitive skin.
Irritation
low
Source
synthetic
A synthetic fragrance compound that adds a floral hyacinth note but offers no skincare benefit; safe at low concentrations but may cause sensitivity in some individuals.
Irritation
low
Source
synthetic
P-Cymene is a plant-derived antioxidant that may help protect skin from environmental stress, but research on its topical benefits is still limited.
Irritation
low
Source
natural
P-Ethylphenetole is a synthetic fragrance ingredient with limited published safety data; it is generally considered safe at low concentrations but may cause sensitivity in some individuals.
Irritation
low
Source
synthetic
p-Hydroxyanisole is a synthetic stabilizer that prevents oils from going rancid, but it may cause irritation in sensitive individuals at higher concentrations.
Irritation
moderate
Source
synthetic
p-Isopropylphenol is a synthetic preservative that helps keep products fresh, but it may cause irritation for sensitive skin types.
Irritation
moderate
Source
synthetic
A synthetic fragrance ingredient that adds a pleasant scent but offers no skincare benefits; generally safe at low levels but may cause sensitivity in some individuals.
Irritation
low
Source
synthetic
P-Menthadiene is a natural fragrance compound with mild antioxidant potential, but it may cause skin sensitivity in some people.
Irritation
moderate
Source
natural
P-Menthanone is a synthetic fragrance ingredient that adds a minty or herbal note, but it offers no direct skincare benefits and may cause sensitivity in some individuals.
Irritation
low
Source
synthetic
A synthetic minty fragrance that adds a fresh scent but may cause irritation for sensitive skin types.
Irritation
moderate
Source
synthetic
A synthetic cooling ingredient that creates a refreshing, minty sensation on skin without the strong scent of actual mint.
Irritation
low
Source
synthetic
A synthetic fragrance ingredient that adds a pleasant floral note but may cause irritation in sensitive individuals.
Irritation
moderate
Source
synthetic
A plant-derived aromatic compound with antioxidant potential, but its strong scent and moderate irritation risk limit its use in skincare.
Irritation
moderate
Source
natural
P-Methoxypropiophenone is a synthetic fragrance compound with limited safety data; it is generally considered safe at low concentrations but may cause sensitivity in some individuals.
Irritation
low
Source
synthetic
A synthetic fragrance ingredient that adds a sweet, floral scent but offers no skincare benefits and may cause sensitivity in some individuals.
Irritation
low
Source
synthetic
P-Methylaminophenol is a common hair dye ingredient that helps develop color but may cause skin irritation in sensitive individuals.
Irritation
moderate
Source
synthetic
A common synthetic ingredient in permanent hair dyes that helps create rich, lasting color but can cause skin irritation in sensitive individuals.
Irritation
moderate
Source
synthetic
A synthetic fragrance compound that adds scent but may cause skin irritation in sensitive individuals.
Irritation
moderate
Source
synthetic
P-Phenylenediamine is a potent hair dye ingredient that delivers long-lasting color but carries a high risk of allergic reactions and skin sensitization.
Irritation
high
Source
synthetic
A powerful but potentially irritating hair dye ingredient that requires careful patch testing before use.
Irritation
high
Source
synthetic
A synthetic fragrance ingredient that adds a floral, sweet scent but offers no skincare benefit and may cause sensitivity in some individuals.
Irritation
low
Source
synthetic
A synthetic fragrance ingredient that adds scent but may cause irritation in sensitive individuals.
Irritation
moderate
Source
synthetic
A synthetic fragrance ingredient that adds a floral, sweet scent but may cause skin irritation in sensitive individuals.
Irritation
moderate
Source
synthetic
A synthetic floral scent ingredient that is generally safe at low levels but may cause skin reactions in sensitive individuals.
Irritation
low
Source
synthetic
p-Tolyl Phenylacetate is a synthetic fragrance ingredient that adds a floral, honey-like scent to products; it is generally considered safe at low concentrations but may cause irritation in sensitive individuals.
Irritation
low
Source
synthetic