Gold Jewelry for Sensitive Skin: Which Karat Should You Wear?
If earrings make your lobes sore, or a ring leaves a green ring on your finger, the problem is almost never gold itself. Pure gold is biologically inert. It is what the gold is mixed with, or what sits underneath it, that causes reactions.
The real culprit is usually nickel
Nickel is the most common contact allergen in the world, affecting a substantial share of adults, and it is used to harden cheap jewelry alloys and to give white gold its color.
With plated jewelry the problem is worse, because the coating wears through and exposes the base metal directly against your skin. That is also what causes green marks, which come from copper reacting with sweat and oils rather than from an allergy.
So the first move is not to change karat. It is to stop wearing plated jewelry.
Higher karat means less of everything that irritates
Karat measures how much of the alloy is pure gold:
10K is 41.7% gold, so 58.3% other metals
14K is 58.3% gold
18K is 75% gold
More gold means less alloy, which means less of whatever your skin is reacting to. For genuinely sensitive skin, 18K is the safest choice, and 14K suits most people who have had trouble with costume jewelry.
Yellow, white or rose
Yellow gold uses copper and silver, and is usually well tolerated.
White gold is the one to watch. It can be alloyed with nickel and is plated with rhodium, which hides the alloy underneath until the plating wears. Palladium white gold avoids nickel, so ask.
Rose gold contains more copper, which is not a common allergen but can cause green marks on some skin.
What to do if a piece already irritates you
Take it off and let the skin recover before testing anything else
Clean the piece properly, since trapped soap and lotion cause irritation that mimics an allergy
Check whether it is plated, and if so replace it rather than re-plating
Move up in karat, ideally to 18K
For piercings, wear solid gold studs rather than plated posts
Frequently asked questions
Can you be allergic to gold itself?
True gold allergy exists but is rare. Nickel is the usual cause, and it is present in many alloys and plated pieces.
Is 14K gold hypoallergenic?
For most people, yes. It contains far less alloy than plated jewelry or 10K. For a known nickel allergy, 18K is the safer choice.
Why do my ears hurt with gold earrings?
Usually the posts are plated, or the piece is not being cleaned. Solid gold posts resolve it for most people.
Does solid gold turn skin green?
Rarely. Green marks come from copper, so the higher the karat the less likely it is. Plated jewelry is the common cause.
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