Ammonium molybdate is a mineral salt that provides molybdenum, but its benefits in skincare are unproven and it may cause irritation at higher concentrations.
Irritation
moderate
Source
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
Ammonium molybdate is a mineral salt that provides molybdenum, but its benefits in skincare are unproven and it may cause irritation at higher concentrations.
Irritation
moderate
Source
synthetic
A mineral-rich volcanic rock extract that may support skin barrier function, but research is limited and benefits are not well-established.
Irritation
low
Source
natural
Bittern is a mineral-rich byproduct of sea salt production that may offer trace minerals to the skin, but evidence for specific benefits is limited.
Irritation
low
Source
natural
Calcite is a safe, natural mineral that helps absorb oil and provide gentle texture in powders and scrubs, but it offers no active skincare benefits.
Irritation
low
Source
natural
Calcium chloride is a mineral salt that can thicken formulas and tighten skin, but it may cause stinging or irritation for sensitive skin types.
Irritation
moderate
Source
synthetic
Calcium Gluconate is a gentle mineral salt that helps stabilize formulas and may support the skin's natural barrier without causing irritation.
Irritation
low
Source
synthetic
Ferric glycerophosphate is a gentle mineral salt that may offer antioxidant benefits and support skin vitality, but research is still emerging.
Irritation
low
Source
synthetic
Ferrous gluconate is a gentle iron source that may support antioxidant defenses in skincare, but its benefits are modest and it's more common in color cosmetics than in active treatment products.
Irritation
low
Source
synthetic
Lithium carbonate is an emerging skincare mineral that may help calm irritation and support skin barrier function, but research is still early.
Irritation
low
Source
synthetic
Magnesium bromide is a gentle mineral salt that may help calm irritated skin, but research is limited and it's not a mainstream ingredient.
Irritation
low
Source
natural
Magnesium chloride is a gentle mineral salt that helps hydrate, calm, and support the skin barrier, but it can feel drying if overused or used in high concentrations.
Irritation
low
Source
natural
A gentle, water-soluble form of magnesium that helps calm skin and support its natural barrier without clogging pores.
Irritation
low
Source
synthetic
A gentle mineral salt that delivers magnesium to the skin, potentially supporting barrier repair and calming irritation.
Irritation
low
Source
synthetic
A gentle, well-absorbed form of magnesium that may help calm stressed skin and support a healthy moisture barrier.
Irritation
low
Source
semi-synthetic
A safe, non-irritating mineral pigment that provides color and some UV protection, but its effectiveness as a sunscreen ingredient is limited compared to zinc oxide or titanium dioxide alone.
Irritation
low
Source
synthetic
Magnesium oxide is a safe, non-irritating mineral that helps absorb excess oil and adjust product texture, but it offers no direct skin benefit beyond formulation support.
Irritation
low
Source
natural
A gentle mineral salt that can soothe tired muscles and calm irritated skin when used in baths or masks.
Irritation
low
Source
natural
Manganese chloride is a trace mineral that may support antioxidant defenses in skin, but research on its topical benefits is still limited.
Irritation
low
Source
synthetic
Manganese glycerophosphate is a gentle mineral salt that may support antioxidant activity in skincare, but research on its topical benefits is still limited.
Irritation
low
Source
synthetic
Manganese sulfate is a trace mineral that helps your skin's natural antioxidant system, but it's used in tiny amounts and is not a standout ingredient on its own.
Irritation
low
Source
synthetic
A blend of minerals that may help reinforce the skin barrier, but research on this specific combination is limited.
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
Sea silt is a gentle, mineral-rich exfoliant that can help polish skin and absorb excess oil without harshness.
Irritation
low
Source
natural
Silt extract offers gentle physical exfoliation and a dose of trace minerals, but its benefits are largely anecdotal and product-dependent.
Irritation
low
Source
natural
Smithsonite is a mineral source of zinc carbonate, offering potential soothing and oil-absorbing benefits, but research on its cosmetic use is very limited.
Irritation
low
Source
natural
Sodium itself is rarely used alone in skincare; it appears as part of salts like sodium chloride or sodium hyaluronate, where it helps with texture, preservation, or delivery.
Irritation
low
Source
natural
Sodium molybdate is a trace mineral salt that may help support the skin's natural antioxidant defenses, but research on topical benefits is still emerging.
Irritation
low
Source
synthetic
Tourmaline is a mineral powder that may add a subtle glow and improve product feel, but its claimed energy benefits lack strong scientific backing.
Irritation
low
Source
natural
Tourmaline extract is a mineral ingredient often marketed for its energizing and purifying effects, but scientific evidence supporting these claims is limited.
Irritation
low
Source
natural
Zinc is a well-studied mineral that helps calm irritation, control oil, and protect the skin barrier.
Irritation
low
Source
natural
Zinc carbonate is a gentle mineral that soothes irritation and absorbs excess oil, making it a safe choice for sensitive and acne-prone skin.
Irritation
low
Source
natural
Zinc Glutamate is a gentle, multi-tasking ingredient that helps calm skin, regulate oil, and support barrier health without common zinc irritation.
Irritation
low
Source
semi-synthetic
Zinc hydroxide is a gentle mineral ingredient that helps balance pH and offers mild soothing and protective benefits for sensitive or irritated skin.
Irritation
low
Source
natural
A gentle mineral complex that may help calm irritation and support skin barrier function, though research is still emerging.
Irritation
low
Source
semi-synthetic
A safe, effective mineral sunscreen that sits on top of skin to reflect UV rays, ideal for sensitive skin.
Irritation
low
Source
natural