I would not recommend it because it could irritate the child's skin.
"In general, copper bracelets are not harmful to a persons skin. Some companies tout the health benefits of wearing copper bracelets, but there is no scientific information to support such claims. If the copper gets wet, either from water, or sweat, the copper can leave a green residue on the skin, but this is not harmful."
Gold is generally considered safe for everyday use. It is non-toxic and does not react with the body, making it a commonly used material in jewelry and dental work. However, prolonged exposure to gold salts or compounds can cause skin irritation or allergic reactions in some individuals.
It depends on the skin color but if it is the same yes
"Scram bracelets" are typically used to monitor alcohol consumption by measuring alcohol sweat levels from the skin. They are not designed to detect drug use.
It is safe for kids to wear flame retardant or flame resistant underwear. There are safety laws in place to ensure that. However, some childrens skin will get irritated by the chemicals so you may want to limit your purchases until you see how they do.
There is no scientific evidence to suggest that wearing gold is bad for men's health. However, some people may have allergic reactions to certain metals, including gold, which can cause skin irritation. It is important to be aware of any potential allergies and choose jewelry that is safe for your skin.
Avon Anew is safe for sensitive skin. People who have sensitive skin can use the product and be safe using it.
Is aluminium oxide crystalls safe on the skin
All deoderant is safe for skin trust me...so your answer is ANY!
Try not to pick or bite your nails so much, put lots of lotion on it to make sure it is moisturized, and stretch your hands often, or you can put on nail polish and rings, of bracelets, if you have dark skin put on light colored nail polish/ring/bracelets, if you have light skin put on dark colored nail polish/ring/bracelets, hope that helped:)
Copper may adversly effect soem but most will be fine with them.
Safe water -equals- Safe skin!