Can Laser Hair Removal Be Permanent?

Lisa Rux Aesthetics Denton, Texas

Lisa has over 21 years of experience in Medical skincare, and extensive experience in neuromodulators, dermal fillers, laser skin treatments, micro-needling, and professional-grade peels. She believes wholeheartedly in medical-grade skin care products that provide the best results for each patient. With her years of experience,... more

Laser hair removal is one of the most popular ways to get rid of unwanted hair. But one question that always comes up is: are the results really permanent? If you’re considering this treatment or just curious, let’s get into the details and clear up some myths.

How Does Laser Hair Removal Work?

The Basics

Using a laser to target the hair follicles is how laser hair removal operates. The pigment in hair, called melanin, absorbs the beam of light that the laser generates. This energy is then converted into heat that damages the hair follicle and prevents future hair growth.

Different Types of Lasers

There are several types of lasers used for this treatment, each for different skin tones and hair colors. For example, Alexandrite lasers are for fair skin, Nd: Yag for dark skin and Diode lasers for all skin types and used in most clinics.

What Does "Permanent" Really Mean?

Permanent Hair Reduction vs. Permanent hair Removal

You need to understand the difference between “permanent hair reduction” and “permanent hair removal." The FDA defines permanent hair reduction as a long-term, stable reduction in the number of hairs that regrow after a treatment series. In simpler terms, it means that while laser hair removal can reduce the number of hairs significantly, it may not remove them all.

Setting Realistic Expectations

Most people see a big reduction in hair growth, often 70-90%. But some fine, light, or hormonal hairs may still be present. These hairs are usually less visible and finer than before. Maintenance treatments may be needed over time to keep your skin smooth.

Factors That Affect the Effectiveness

Hair Growth Cycle

One of the key factors in laser hair removal is the hair growth cycle. Hair grows in three stages: anagen (active growth), catagen (transitional), and telogen (resting). The laser is most effective during the anagen phase, when the hair is growing. Not all hairs are in the same phase at the same time, so multiple sessions are needed to target all the hair.

Skin and Hair Color

Laser works best on light skin and dark hair, as the laser targets the pigment in the hair. Advances in technology now allow people with darker skin tones to get the treatment as well, but it may require different types of lasers and more sessions.

Hormonal Influences

Hormones can also play a big role. Conditions like polycystic ovary syndrome (PCOS) can cause excessive hair growth, which may be more resistant to laser treatment. Manage your hormones first to get the best results.

The Science Behind the Results

Clinical Studies and Research

Clinical studies show that laser hair removal can be very effective in reducing hair growth. Degree of reduction and duration of results vary depending on individual factors like skin type, hair color, and hormonal balance.

Importance of Professional Treatment

You need to choose a qualified practitioner. A good one will assess your skin and hair type and use the right laser. They will also give you a realistic view of what to expect and the risks.

Considerations Before Getting Laser Hair Removal

Consultation and Assessment

Before we start treatment, a consultation is essential. A qualified practitioner will go through your medical history and your goals and set realistic expectations. They will also do a patch test to determine the best laser settings for your skin.

Potential Risks and Side Effects

Like any cosmetic treatment, laser hair removal has some risks. Common side effects are redness, swelling, and temporary discomfort. Rare but more serious risks are burns or changes in skin pigmentation. Follow the practitioner’s post-treatment care instructions to minimize these risks.

Long-Term Care and Maintenance

Post-Treatment Care

After treatment, make sure to look after your skin. Avoid sun, use sunscreen and moisturize the treated area.

Maintenance Sessions

Some hair may regrow over time, but it will be finer and lighter. Maintenance sessions will help keep your skin smooth. The frequency of these sessions will depend on your individual response to the treatment and any hormonal changes.

Conclusion

Laser hair removal is a long-term hair reduction method. It won’t remove all hair but will reduce the amount and thickness of unwanted hair. For best results, choose a qualified practitioner, follow pre- and post-treatment care, and have realistic expectations. If you’re considering laser hair removal, a consultation with a professional will give you personalized advice and tell you what to expect.