Stain non-bone crests, pads, webbing (including fins, wing leather, and so on), manes, and eyes any color. It can also affect the following traits: Star Pearl, Bearded, Heraldry, the webbing of Dorsal Spines and Pelvic Spines, Floral Parasite, Frog Throat, Antennae, Halo, Whiskers, Neckfrill, 50% or less of Protofeathers, Maned, Tentacles, Many-finned, a webbed Dorsal Fin, Gilled, Avalanche, Bumble, Webbed Tail, Cirrus, Curled, Frilled, Plumes, Feathered wings, Seraph, and Celestial. Not everything is listed–just keep in mind that hard structures and large structures have restrictions.
One Scalestain is needed per modifier or trait, in addition to an extra Scalestain per color. When multiple colors of Scalestain are used, they must form a gradient of color, rather than markings or streaks. The gradient may be smooth or it may have solid divisions in between. This cannot be used to cover markings.
Art by cosmonstars