Due to the impregnation or pre-treatment of the leather, the cleaner may leave wet spots when sprayed on. This especially happens if the leather is very absorbent. No need to worry: the stains will disappear when it dries and it can still be cleaned. It's best to use a soft brush and let the leather dry thoroughly afterwards. EXCEPTION: Glowbag is not suitable for open-pored types of leather such as suede, nubuck, nappa or suede.
We generally always recommend a test on an inconspicuous area.