adults • Skin contact product
For adults, cholecalciferol (vitamin D3) applied to the skin is generally considered low risk. Most concerns are rated low for cancer, allergy, and reproductive effects. The main worry is possible contamination during manufacturing.
Pick products from reputable brands that share purity or lab-testing information. Don’t apply it to open cuts or badly irritated skin. If you’re pregnant or breastfeeding, check with your healthcare provider before use. Stop using the product and talk to a doctor if you get redness, a rash, swelling, or other signs of irritation.
Watch for skin irritation or allergic reaction and stop use if these occur. The ingredient review specifically flags contamination concerns (ethylene oxide and 1,4‑dioxane) and notes that some product verification programs restrict its use unless manufacturers provide safety data—prefer products that confirm they test for or are free from these contaminants.
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This ingredient has the following documented risks:
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This ingredient may also be listed as:
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This ingredient is found in the following products:
This list shows products that contain Cholecalciferol or its alternative names.
Yes, Cholecalciferol is generally considered safe for adults based on current research.
Connected to cancer risk with long-term or repeated exposure.
May harm organs like liver, kidneys, or lungs with repeated use.
Linked to long-term health effects after years of use or exposure.
Possible negative effects on the environment
Cholecalciferol 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 adults. Use the age selector above to check other ages.
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