The natural process of oxidation/patina leads gradually to a discolouring of the precious KÓSMOS rings when it is exposed to air.
Use the fine sandpaper you got with your Kósmos to get the shininess back.
cut:circle works together with local producers and strives for the best quality on material and production. Every piece is hand crafted and therefor unique. The natural metal can cause skin irritation.
The oxid-crystals on the oxidised rings are poisoning if swallowed. It may also cause discolouration on the skin where the metals is worn. furthermore, The beautiful oxidised colouration might wear down trough a frequent use.
*DISCLAIMER: We accept no liability for discolouration on cloths and skin neither for any other health problems accused by K ó s m o s jewellery.