Opacifiers are substances that make other things less see-through or less clear.
Opacifiers are often used in products like paint, plastic, and cosmetics.
Examples:
The opacifiers in the paint make it less see-through.
The opacifiers in the plastic make it less clear.
The opacifiers in the lotion make it less see-through.
The opacifiers in the water make it look white.
The opacifiers in the glass make it impossible to see through.
The opacifiers in the shampoo make it look creamy.