For babies aged 6-12 months, lactic acid can cause irritation and makes skin absorb more of what it’s mixed with. It is sometimes okay in very low amounts or in rinse-off products, but it's not a good choice for everyday leave-on baby creams.
Choose products made for infants that list child-safe use; prefer rinse-off products (bath products) or products that state very low concentration and infant use. Do a small patch test behind the ear or on the inner forearm and wait 24 hours. Avoid products that say 'for professional use only' or list high acid strength or low pH. If you must use a product with lactic acid, use it sparingly, avoid broken or red skin, and follow label directions about sun protection.
Watch for stinging, redness, peeling, swelling, blisters, or breathing trouble — stop use and seek care if these occur. Safety reviewers (Health Canada and Cosmetic Ingredient Review) restrict how much and how it may be used in cosmetics — they recommend limits on concentration and pH and say it’s safest in brief or rinse-off uses. Medical reports note possible skin irritation, and some safety lists restrict use without proper testing. Do not use on newborn skin (0-6 months) without medical advice.
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Use caution with Lactic Acid for 6-12 month old babies. Some safety concerns have been identified.
Banned or heavily restricted in one or more countries. This is especially important for babies whose skin and systems are still developing.
Can be absorbed through the skin and get into the bloodstream. This is especially important for babies whose skin and systems are still developing.
May increase skin’s sensitivity to sunlight and cause faster burning. This is especially important for babies whose skin and systems are still developing.
Lactic Acid 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 6-12 month old babies. Use the age selector above to check other ages.
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