NASA is credited for Red Light Therapy. Originally developed for plant growth in outer space, Red Light Therapy was found to aid in skin repair and rejuvination as well as helping with many skin ailments such as acne, psoriasis and works as a gradual self repair of many forms of skin damage. Results vary based on age, damage, frequency of use, etc. and red light therapy has no UV rays and exists in wavelengths between 630-660 nanometers which has the ability to penetrate deep into the skin, energizing fibroblast cells that make collagen and elastin. This is how the skin repairs damage and rejuvenates the skins overall appearance
Your skin is your body's largest organ and by design, you only have one. You should always perform due diligence research before embarking on any process that affects your body. Your due diligence may be your own personal experiences, dermatologist referrals, research or advice from friends and relatives that have experienced the effects of light therapy themselves.