Treatment of red pimple marksDid you know that not all pigment spots on the skin appear for the same reason? That is why it is important to correctly identify the type of pigment spot to be treated. Transparent Lab are the first to distinguish between different pigment spots and have developed different products depending on the area of action required. PIE Acne Red Spot Fading Treatment is ideal for treating reddish to pink pigment spots that cause uneven skin tone and are often caused by acne and pimples.How to use: apply a small amount of product to the affected area. Massage gently with fingertips until completely absorbed.