Ameture here 👋 how do I make this brush one pixel and not like 5 pixels with the opacities(01)

Ameture here 👋 how do I make this brush one pixel and not like 5 pixels with the opacities(01)

Image gallery: Black Ameture Threesome

BLACK RONIN Ameture here 👋 how do I make this brush one pixel and not like 5 pixels with the opacities Pinterest