User Guide
Find step-by-step instructions for using and caring for INIA beauty devices. Get help with setup, treatment routines, cleaning, storage, fit, controls, maintenance, and common troubleshooting questions.
How to Depuff Eyes Fast: 8 Methods That Work (and Why You Wake Up Puffy)
Depuffing under your eyes can make a significant visible difference in how rested and alert you appear. Morning under-eye puffiness is almost always caused by fluid accumulation overnight — a natural... Read more »
Zdeer Red Light Gua Sha Review: Is It Worth Adding to Your Routine?
The Zdeer red light gua sha is one of the most-viewed beauty devices on TikTok in 2026 — a $49.99 handheld tool that combines red light, heat, and vibration to enhance the traditional gua sha... Read more »
Zdeer Facial Care Device Review: Is It Worth $50 in 2026?
The Zdeer facial care device — marketed as a red light gua sha tool — combines heat, vibration, and red light in a curved handheld device priced at $49.99. It has built a following through... Read more »
Best Red Light Therapy Mask for Wrinkles: How to Choose the Right One for Your Skin
The best red light therapy mask for wrinkles is not necessarily the most expensive or the most popular—it is the one built for your wrinkle pattern, skin goals, and treatment consistency. While... Read more »
Can a Red Light Therapy Device Be Used on Other Parts of the Body? (Face vs Body Guide)
Yes, many red light therapy devices can be used on several areas of the body—not just the face. Depending on the device design, LED therapy may be applied to areas such as the neck, chest, arms,... Read more »
Can Red Light Therapy Help Saggy Underarms? (How It Works & How to Use It Safely)
Red light therapy may help improve mild sagging skin under the arms by supporting collagen production and improving skin elasticity. Many at-home LED devices use wavelengths around 630–660 nm (red... Read more »
How Often to Use a Red Light Therapy Mask (Best Frequency & Session Time Guide)
Most red light therapy masks are used 3–5 times per week for about 10–20 minutes per session. This frequency range aligns with common at-home photobiomodulation protocols and the usage... Read more »
How to Choose a Red Light Therapy Mask if You Have Melasma
If you have melasma, choosing a red light therapy mask requires more caution than typical anti-aging device shopping. Melasma-prone skin tends to react more easily to triggers such as heat, visible... Read more »
Can You Use LED Light Therapy With a Neck Care Device?
Can you use LED light therapy with a neck care device? In most cases, yes. Using a face LED mask and a dedicated neck/chest LED device in the same routine is usually fine—as long as you manage... Read more »
INIA GLOW 4D Mask Care Guide: How to Clean, Store, Charge, and Maintain Your Wireless Dual NIR LED Mask
INIA GLOW 4D mask care is less about “strong disinfectants” and more about keeping the mask clean, fully dry, and mechanically protected so the LEDs, silicone surface, and wireless electronics... Read more »
INIA Daily & Weekly Skincare Routine Schedule
INIA daily/weekly skincare schedule is the easiest way to stay consistent with at-home devices without overdoing it. Most LED masks work best at 10–20 minutes per session, 3–5 times per week,... Read more »
Can You Use Microcurrent and Red Light Therapy on the Neck, Under-Eyes, and Body? Safety, Placement, and Best Routine Order
Can you use microcurrent and red light therapy on the neck, under-eyes, and body? In many cases, yes—but the rules are different for each technology and each area. Red light therapy is generally... Read more »