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 Treat Dry Skin Around Eyes: A Safe, Gentle Guide (2026)
Dry skin around the eyes is one of the most delicate skincare problems to address. The periorbital skin is approximately 0.5mm thick, has significantly fewer oil glands than the rest of the face, and has... Read more »
How to Get Rid of Spider Veins on Face Naturally (2026)
Spider veins on the face — medically called telangiectasias — are small, dilated blood vessels visible near the skin's surface, typically appearing as red, blue, or purple web-like patterns... Read more »
How to Get Rid of 11 Lines Naturally: What Actually Works (2026)
11 lines — the vertical creases between the eyebrows, formally called glabellar lines — form from years of repeated facial muscle contraction and progressive collagen loss. They can be... Read more »
How to Exfoliate Your Body: Methods, Frequency & Guide (2026)
Body exfoliation removes the accumulated layer of dead corneocytes (skin cells) from the skin's surface, revealing fresher, softer skin underneath and unblocking hair follicles that cause ingrown... Read more »
How to Apply Moisturizer Correctly for Best Results (2026)
Moisturizer is the most used skincare product for most people, yet small technique adjustments — primarily in timing and skin preparation — produce significant differences in how well it works. The... Read more »
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 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 »