First of all you get better by practicing, even if it’s just a few small doodles a day. Looking at references has really helped me, I recommend Pintrest for ideas, references, or just cool stuff in general. You can also watch videos. For blending I recommend using a blending stick and if you don’t have that you can use a tissue or something soft to blend
1. Thorough hand-washing prevents illness by killing germs on the hands; and yet, cleaner hands are less likely to spread contamination to other surfaces.
