For children aged 2–5 (toddlers and preschoolers), isobutane is a flammable spray propellant that can irritate the skin, eyes and lungs and can cause allergic skin reactions in some people. Because of restrictions and contamination concerns noted by health authorities, it is safer to avoid products that spray isobutane directly onto young children.
If you have a product that lists isobutane: prefer non-spray alternatives (creams, pump sprays, or wipes without propellants); do not use aerosol sprays near a child’s face, mouth or nose; avoid using on broken or irritated skin; store products away from heat and open flame because isobutane is flammable. If you must use an aerosol (for example a hairspray or sunscreen), spray it into the air away from the child and then apply or use a non-aerosol option.
Watch for skin redness, rash, swelling, or any breathing trouble after exposure — stop use and see a doctor if these happen. Health Canada and the EU have set limits or restrictions on cosmetic uses of isobutane; industry safety reviewers report strong evidence of skin and respiratory irritation and allergic reactions (Cosmetic Ingredient Review/CIR). There is also a contamination concern with butadiene. Keep products out of reach of children and away from heat or open flame.
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This ingredient is found in the following products:
This list shows products that contain Isobutane or its alternative names.
Isobutane is not recommended for 2-5 year old children due to potential safety risks.
May harm organs like liver, kidneys, or lungs with repeated use. Young children may be more sensitive to these effects.
Banned or heavily restricted in one or more countries. Young children may be more sensitive to these effects.
Can cause skin redness, itchiness, or rashes—especially on sensitive baby skin. Young children may be more sensitive to these effects.
Can make breathing issues like asthma worse in babies and kids. Young children may be more sensitive to these effects.
Could weaken or confuse immune system. Young children may be more sensitive to these effects.
Linked to triggering or worsening eczema and similar skin conditions. Young children may be more sensitive to these effects.
Isobutane is commonly found in skincare products, cosmetics, and topical applications. Always check ingredient labels before use.
The appropriate age depends on the specific ingredient properties and concentration. This analysis is for 2-5 year old children. Use the age selector above to check other ages.
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