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Getting the right dosage of Light Therapy is crucial to obtaining the results you're looking for. Our exclusive algorithm takes into account the outcomes of thousands of customers, feedback, as well as the results of numerous scientific studies, we've built a red light therapy dosage calculator that takes in the irradiance of a device, the distance you want to use it, whether you're changing brightness / pulse modes / treatment type, and takes all of that into account to calculate the correct dosage you need.
Red Light Therapy Dosage Calculator
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How Long Should I Do Light Therapy For?
How Long Should I Do Light Therapy For? If you recently got a light therapy panel, mask, or flashlight - or if you are looking into getting one for skin care or muscle recovery - you probably have one big question on your mind: How long should each session actually last? It is easy to think that sitting in front of a light for an hour will give you four times the benefits of a 15-minute session. Light therapy does not work that way. Your cells have a sweet spot for how much light energy they can take in at one time. Here is a straightforward guide to help you set the right timers for your sessions based on the exact wavelengths used in Kivo Light Therapy devices. The Core Rule: Why More Light Is Not Always Better Light therapy works through a scientific rule called the biphasic dose response. That sounds technical, but the idea is simple: Too little light: Your cells do not get enough energy to trigger changes. The right amount of light: Your cells get energized, speeding up repair and collagen production. Too much light: Your cells get full, lose their boost, and temporarily stop responding. Think of it like charging a smartphone. Once your battery hits 100%, leaving it on the charger for another five hours will not give you extra battery life. Keeping your sessions within the recommended time window gives you the best results without wasting time. Session Times by Light Wavelength & Goal Different light wavelengths reach different depths in your tissue. Here is how long you should run each specific light mode. 1. Blue Light Therapy (480nm Wavelength) What it targets: Skin surface, acne-causing bacteria, and oil balance. Ideal session length: 3 to 5 minutes per area (up to 10 minutes maximum for a full face treatment). Distance from skin: 3 to 6 inches (10 to 15 cm). Best time of day: Morning or early afternoon (before 1-2 pm). Blue light is fantastic for clearing up surface spots and keeping skin clean. Because blue light mimics bright daylight, it tells your brain that it is time to wake up. Using blue light late in the evening can mess with your body clock and make it harder to fall asleep at night. If you are using a portable option like the Kivo Pro Flashlight on small spots, 5 minutes per spot is plenty. If you are using a multi-light panel like the Kivo ONE Pro Panel, set the timer for 10 minutes on your face. 2. Red Light Therapy (630nm and 660nm Wavelengths) What it targets: Skin health, collagen production, reducing redness, and soothing surface inflammation. Ideal session length: Face treatments: 10 minutes. Body areas (shoulders, arms, back): 10 to 15 minutes. Distance from skin: 3 to 6 inches (10 to 15 cm). Best time of day: Any time before 6 pm. Red light reaches the outer layers of your skin to help rebuild collagen and keep your skin tone balanced. A quick 10-minute session on your face with a device like the Kivo Elite Face Mask or a panel from the Kivo ONE Series is enough to give your skin cells a solid energy bump. 3. Near-Infrared Light Therapy (810nm, 830nm, 850nm, and 940nm Wavelengths) What it targets: Deeper muscle tissue, joints, tendons, and post-workout recovery. Ideal session length: 10 to 15 minutes per target area. Distance from skin: 3 to 6 inches (10 to 15 cm). Best time of day: Before 6 pm. Near-infrared (NIR) light is invisible to the human eye, but it travels deeper into your body than red or blue light. It reaches sored muscles and stiff joints to lower soreness after workouts or sports. Because NIR light goes deeper, your tissue benefits from a slightly longer session of 10 to 15 minutes per zone. Larger setups like the Kivo THREE Series or the full-body Kivo TWELVE Series allow you to cover larger areas of your body in one single 10 to 15 minute run. 4. Scalp Care (660nm Red and 850nm Near-Infrared) What it targets: Scalp circulation and hair follicle health. Ideal session length: 10 minutes per session. Frequency: 3 to 4 times per week. For hair and scalp health, consistency matters more than long individual sessions. A dedicated device like the Kivo LED Light Therapy Cap uses dual-chip LEDs to deliver red and near-infrared light right to the hair roots in an easy 10-minute automated routine. Step-by-Step Instructions for Your Light Routine To get clean, predictable results every time, follow these steps during your regular sessions: Step 1: Clean your skin. Wash off makeup, sunscreen, or heavy lotions before starting. Clean, bare skin lets the light penetrate without reflections. Step 2: Put on eye protection. Put on dark protective goggles (like the eye guards included with Kivo panels) when treating your face or working near your eyes. Step 3: Check your distance. Position yourself 3 to 6 inches (10 to 15 cm) away from the panel or device. Step 4: Select your light mode. Use Blue Light in the morning for acne or surface skin care. Use Red + Near-Infrared Light for general skin glow, joint relief, or muscle recovery. Step 5: Set your timer. Keep face treatments between 3 and 5 minutes. Keep muscle or joint treatments between 10 and 15 minutes. Step 6: Finish with your standard skin routine. Apply your usual moisturizer or serum after your session is finished. Quick Reference Cheatsheet Light Color / Type Target Wavelengths Recommended Time Target Area Best Time of Day Blue Light 480nm 3 - 5 minutes Facial skin, spots, breakouts Morning to 2:00 PM Red Light 630nm, 660nm 5 - 10 minutes Face, chest, skin tone Morning or afternoon (before 6:00 PM) Near-Infrared (NIR) 810nm, 830nm, 850nm, 940nm 10 - 15 minutes Muscles, joints, deep repair Before 6:00 PM Scalp Care 660nm + 850nm 10 minutes Scalp and hair roots Any time during the day Common Mistakes to Watch Out For Sitting too close or too far: Sitting 2 feet away makes the light too weak to be effective. Pressing up against a high-power panel can make the area uncomfortably warm. Stick to the 3-to-6 inch range. Using blue light at night: Blue light tricks your brain into thinking it is noon. Stick to morning use for blue light so your evening sleep signals stay normal. Overdoing it out of impatience: Doing three 20-minute sessions in one day will not speed up your skin progress. Stick to 3 to 5 regular sessions per week. Skipping eye protection: Light panels are very bright. Always use protective goggles during facial treatments. Simple Summary for Getting Started Keep face treatments between 5 and 10 minutes. Keep body and muscle treatments between 15 and 20 minutes. Stay 3 to 6 inches away from your panel during treatment. Repeat your routine 3 to 5 days a week. Focus on consistency over duration... short regular sessions beat long random ones every time!
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BEWARE of cheap Red Light
Red light therapy has grown rapidly in popularity, and for good reason. It supports cellular health, speeds up muscle recovery, and keeps skin looking fresh. But as demand builds, a serious problem has appeared online. The market is flooded with dirt-cheap panels that look fine on the outside but are completely hollow, ineffective, or even harmful on the inside.
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Red Light Therapy for Pets
If you have ever looked for ways to help your aging pet move more comfortably or speed up the healing of a small scrape, you might have heard about red light therapy. Often called photobiomodulation, this approach is becoming quite common in veterinary care. It is a non-invasive, drug-free way to help our furry, and non-furry family friends feel better.
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