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Advanced LLLT Technology

What Is InfoRed Therapy for Hair Loss? (Red Light Therapy)

InfoRed Therapy—also known as red light therapy, cold laser, soft laser, and low-level laser therapy (LLLT)—is a safe, non-invasive light-based treatment increasingly used to support genetic hair loss (androgenetic alopecia) in both men and women.

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Overview

A Safe Light-Based Therapy for Genetic Hair Loss

Red light therapy (InfoRed) is commonly used to support androgenetic alopecia (pattern hair loss). It uses a controlled wavelength range (typically 630–670 nm) delivered through LED systems to stimulate follicular activity and encourage thicker regrowth over time.

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Who Is It For?
Men and women with pattern hair loss—especially adults 35+—and also patients with temporary shedding related to stress, medications, or hormonal changes (when clinically appropriate).
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When to Start
Earlier treatment typically increases the chance of success. Once a follicle is no longer viable, no light therapy can “revive” it.

How Does InfoRed Therapy Work?

Photobiomodulation (PBM) • LLLT

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Growth (Anagen Phase)

The active growth phase. The clinical goal is to support more follicles transitioning into (and staying in) anagen.

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Rest (Catagen Phase)

A short transition phase where the follicle downshifts its activity before shedding begins.

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Shedding (Telogen Phase)

The resting/shedding phase. PBM can support microcirculation and follicular metabolism during catagen/telogen.

What Happens at the Follicle Level?

Red light therapy has been associated with increased scalp blood flow (microcirculation) and stimulation of follicular metabolism in catagen/telogen effluvium.

The result is accelerated production of anagen hair—new hair—by supporting epidermal stem cell activity in the follicular bulge and encouraging follicles to shift back into the anagen (growth) phase.

The Science of Photobiomodulation

630–670 nm Wavelength Range

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Targeted Red Light

A specific wavelength band designed to stimulate follicular activity—supporting dermal papilla signaling and growth processes.

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ATP Support

PBM is commonly described as supporting cellular energy (ATP availability), which may contribute to repair and growth signaling.

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Follicle Reactivation

Enhanced metabolic activity can help shift dormant follicles toward the anagen (growth) phase and improve hair shaft quality over time.

Key Benefits of InfoRed (LLLT)

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Improved Microcirculation

Supports vasodilation—bringing more oxygen and nutrients to follicle roots.

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Reduced Inflammation

Helps calm scalp irritation and may reduce inflammation-related shedding.

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Thicker Hair Over Time

Many patients report improved hair diameter and reduced shedding after consistent use.

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Supports Regrowth in Key Areas

Often used to support regrowth around the crown and hairline (common loss zones).

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Safe & Painless

No known significant side effects for most people; sessions are comfortable and accessible.

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Enhanced Results with Combination Care

When combined with PRP or mesotherapy, some patients may notice changes sooner.

The DHI Protocol

Sessions are designed to fit seamlessly into your day. Using medical-grade equipment, we maximize light exposure without thermal damage.

  • 01Short Sessions (Typically ~20 minutes)
  • 02100% Painless & Non-Invasive
  • 03No Downtime: Return to routine immediately
Patient comfortably receiving red light hair therapy

Frequently Asked Questions

Quick answers to common questions about InfoRed (LLLT) therapy.

Everyone is different. Although significant negative side effects are not commonly reported, it is still possible for an individual to experience uncommon reactions. Before starting any light-based protocol, we recommend consulting a specialist to confirm suitability for your specific condition.

Red light therapy can stimulate follicles, but hair cannot grow in areas where follicles have never existed. It may improve the quality of existing hair by supporting local blood supply so hair receives nutrients needed to stay healthy.

Treatment depends on the cause of hair loss. No therapy works for every condition. For example, if shedding is caused by a specific medication, hair loss may continue unless that medication is changed (under medical guidance). In general, starting earlier improves the probability of better outcomes.

Noticeable results are typically expected after the fourth month. Hair biology changes gradually—just as hair loss does not happen overnight, regrowth is also a progressive process. Many patients observe changes within 12–26 weeks with consistent sessions.

This depends on the device and clinical protocol. It is important to follow manufacturer guidelines and your specialist’s recommendations. Longer exposure does not necessarily mean better results—you do not need to sit under the light for an hour hoping hair grows faster.
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Synergy with DHI Transplants

InfoRed can be used as a standalone supportive treatment, but it is often recommended as part of a complete restoration strategy. When paired with a DHI hair transplant, it may support healing of newly implanted grafts and reduce post-procedure redness.

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