Sand is a natural physical exfoliant that can smooth skin, but its rough texture may cause micro-tears if used too aggressively.
Irritation
moderate
Source
natural
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
Sand is a natural physical exfoliant that can smooth skin, but its rough texture may cause micro-tears if used too aggressively.
Irritation
moderate
Source
natural
Sandalwood extract is a gentle, aromatic botanical that helps calm skin and provides antioxidant protection, but its benefits are best supported by traditional use rather than extensive modern clinical studies.
Irritation
low
Source
natural
Sandalwood oil is a gentle, aromatic oil that may help calm skin and provide a pleasant scent, but it is primarily used for fragrance.
Irritation
low
Source
natural
A gentle, antioxidant-rich extract from sandalwood seeds that helps calm and protect the skin without the strong scent of sandalwood oil.
Irritation
low
Source
natural
A gentle, natural exfoliating powder from Australian sandalwood nut shells, best for physical scrubs and masks.
Irritation
low
Source
natural
A gentle, aromatic wood extract that helps calm irritation and fight environmental stress, but its benefits are mostly supported by traditional use and limited modern studies.
Irritation
low
Source
natural
A gentle, natural exfoliating powder that can also help absorb excess oil and soothe the skin.
Irritation
low
Source
natural
A gentle botanical extract with traditional use for soothing skin, but modern research is limited.
Irritation
low
Source
natural
Sansho Berry Extract is a gentle antioxidant-rich botanical that may help calm skin and protect against environmental stress, though research is still emerging.
Irritation
low
Source
natural
Santalol is a gentle, naturally derived fragrance and soothing ingredient from sandalwood, but its benefits are mostly aromatic rather than therapeutic.
Irritation
low
Source
natural
A gentle, non-greasy oil that hydrates and soothes skin without clogging pores, ideal for sensitive or dry skin types.
Irritation
low
Source
natural
A gentle, aromatic wood extract that helps calm skin and fight free radical damage, but its benefits are mostly supported by traditional use and limited clinical studies.
Irritation
low
Source
natural
Santalyl Acetate is a synthetic fragrance ingredient that adds a sandalwood-like scent to products; it is generally considered safe at low concentrations but offers no direct skincare benefits.
Irritation
low
Source
synthetic
A gentle plant extract with antioxidant potential, but research is still emerging—think of it as a supportive ingredient rather than a star performer.
Irritation
low
Source
natural
A gentle, plant-derived cleansing ingredient with a pleasant rose-like scent, best suited for rinse-off products.
Irritation
low
Source
natural
A conditioning ingredient that reduces static and softens hair, but may cause irritation for sensitive scalps.
Irritation
moderate
Source
semi-synthetic
A gentle, plant-based root extract that may help calm irritated skin and provide antioxidant protection, though human studies are limited.
Irritation
low
Source
natural
A gentle, plant-based butter that hydrates and softens skin without feeling overly greasy.
Irritation
low
Source
natural
A gentle, plant-based oil that hydrates and softens skin without clogging pores, though research on its specific benefits is still limited.
Irritation
low
Source
natural
A gentle, antioxidant-rich bark extract that may help calm skin and protect against environmental stress.
Irritation
low
Source
natural
A gentle botanical extract with antioxidant and soothing benefits, best for those seeking plant-based protection against environmental stress.
Irritation
low
Source
natural
Sapphire Extract adds a subtle shimmer and gentle physical exfoliation, but its skincare benefits beyond appearance are not well-studied.
Irritation
low
Source
natural
A novel silicone-like emollient from sapucainha oil that provides a silky, non-greasy feel with minimal irritation risk.
Irritation
low
Source
semi-synthetic
A gentle, plant-derived antioxidant that helps protect skin from environmental stress, though research is still emerging.
Irritation
low
Source
biotech
A gentle red seaweed extract that helps hydrate and calm the skin, though research is still emerging.
Irritation
low
Source
natural
Sarcosine is a gentle, naturally derived amino acid that helps hydrate and condition the skin, with some research suggesting it may support collagen production.
Irritation
low
Source
natural
A promising marine antioxidant from brown algae with early research suggesting anti-aging and protective benefits, but human studies are still limited.
Irritation
low
Source
natural
A promising seaweed antioxidant that may help protect skin from environmental damage, but human research is still limited.
Irritation
low
Source
natural
A promising marine antioxidant from brown algae that may help defend skin against environmental damage, though human studies are still limited.
Irritation
low
Source
natural
A promising marine antioxidant from brown seaweed that may help protect skin from UV and pollution damage, but human research is still limited.
Irritation
low
Source
natural
A promising seaweed antioxidant that may help shield skin from pollution and UV damage, but human studies are still limited.
Irritation
low
Source
natural
A promising seaweed antioxidant that may help defend skin against pollution and UV damage, but human research is still limited.
Irritation
low
Source
natural
A gentle seaweed extract that helps calm and hydrate the skin, with antioxidant benefits from its natural mineral content.
Irritation
low
Source
natural
A gentle seaweed extract that may help hydrate and protect skin, but research is still early.
Irritation
low
Source
natural
A gentle, mineral-rich seaweed extract that helps soothe and hydrate the skin, but its benefits are backed by limited human studies.
Irritation
low
Source
natural
A gentle, antioxidant-rich fruit extract that may help protect skin from environmental stress, though research is still emerging.
Irritation
low
Source
natural
Sarsasapogenin is a plant-based compound that may help calm skin and support the skin barrier, but research is still early and it's not a proven powerhouse ingredient.
Irritation
low
Source
natural
A gentle bamboo extract with antioxidant potential, but research is still early and benefits are not yet proven in humans.
Irritation
low
Source
natural
A gentle, antioxidant-rich bamboo water that soothes skin and provides light hydration, but research is still emerging.
Irritation
low
Source
natural
A gentle, plant-based antioxidant that may help calm skin and defend against environmental stress, though human studies are limited.
Irritation
low
Source
natural
A gentle bamboo leaf extract with antioxidant and soothing potential, but human skin research is still limited.
Irritation
low
Source
natural
A gentle, plant-based antioxidant extract that may help calm skin and fight free radical damage, though research is still emerging.
Irritation
low
Source
natural
A gentle, antioxidant-rich botanical powder from Japanese bamboo that may help soothe and protect skin, though human studies are limited.
Irritation
low
Source
natural
A gentle, antioxidant-rich bamboo water that soothes and hydrates, but research on its specific benefits is still emerging.
Irritation
low
Source
natural
A gentle, antioxidant-rich fruit extract that helps protect skin from environmental stress and may soothe irritation.
Irritation
low
Source
natural
A gentle, antioxidant-rich flower extract that may help calm skin and fight free radicals, though research is still early.
Irritation
low
Source
natural
Sassafras Bark Extract may offer astringent and soothing benefits, but its use is limited by safety concerns and lack of robust research.
Irritation
moderate
Source
natural
Sassafras extract is a traditional botanical with potential skin benefits, but its use is limited by safety concerns related to the compound safrole, which is restricted in many countries.
Irritation
moderate
Source
natural
Sassafras Root Oil is a fragrant essential oil that is largely avoided in modern skincare due to safety concerns over its main component, safrole, which is regulated as a potential carcinogen.
Irritation
high
Source
natural
A gentle, antioxidant-rich fermented citrus extract that may help brighten and protect skin, but research is still emerging.
Irritation
low
Source
natural
Satsuma Flower Oil adds a fresh citrus scent and mild astringent feel, but its fragrance components can be irritating for sensitive skin.
Irritation
moderate
Source
natural
A gentle, lightly fragrant floral water that can refresh and mildly tone the skin, but its benefits are subtle and not backed by strong research.
Irritation
low
Source
natural
A fragrant citrus oil that can brighten the complexion but may cause irritation in sensitive skin due to natural limonene content.
Irritation
moderate
Source
natural
A gentle fruit powder that offers mild exfoliation and antioxidant benefits, but its effects are not as well-studied as more common citrus extracts.
Irritation
low
Source
natural
A gentle, water-based citrus extract that adds light antioxidant benefits and a subtle natural scent, but its effects are mild and not well-studied in skincare.
Irritation
low
Source
natural
A gentle, antioxidant-rich peel extract that can help brighten skin and protect against environmental stress without common citrus irritation.
Irritation
low
Source
natural
Satsuma Peel Oil adds a fresh citrus scent and mild antioxidant benefits, but its fragrance components can irritate sensitive skin.
Irritation
moderate
Source
natural
A gentle botanical extract with antioxidant and soothing potential, best for those seeking plant-based calming ingredients.
Irritation
low
Source
natural
A gentle plant extract with antioxidant potential, but research is still early and benefits are not yet proven in large human studies.
Irritation
low
Source
natural
A gentle plant root extract with early evidence of soothing and antioxidant benefits, but more human studies are needed.
Irritation
low
Source
natural