Utah Master Esthetician Practice Exam

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What is the primary function of LED therapy with red light?

Reduce inflammation
Promote collagen production
Eliminate bacteria
Enhance absorption of products

The correct answer is: Promote collagen production

The primary function of LED therapy with red light is to promote collagen production. Red light therapy penetrates the skin at a deeper level, stimulating fibroblasts, which are the cells responsible for producing collagen and elastin. This stimulation can result in improved skin texture, reduced signs of aging, and enhanced overall skin firmness and elasticity. While reducing inflammation, eliminating bacteria, and enhancing product absorption are all beneficial effects that various types of light therapy can provide, they are not the primary focus of red light therapy specifically. Red light's key benefit lies in its ability to stimulate collagen production, making it particularly effective for rejuvenation and addressing skin concerns related to aging and damage.