Disadvantages of laser hair growth helmets
A laser helmet isn't for everyone, as it probably won't help you if you've been bald for years. Also, if there are no follicles to stimulate, or the follicles have died, no hair growth will occur. So for hereditary alopecia hair growth laser helmet is not helpful.
Laser treatment is usually harmless because it is a non-invasive treatment. Although it can cause side effects, they are very minor. Some temporary but unavoidable side effects you may need to deal with are a burning sensation, redness of the scalp, itching, and headache. These side effects do not happen to everyone, before choosing a laser helmet, consult your doctor and ask if his/her treatment is completely safe.
All in all, laser treatments are usually painless, so you don't have to worry too much. But it's time-consuming and expensive, and you'll need to use the laser helmet consistently to get the desired results. Other than that, it may not interact with some medications.
For example, people who are taking photosensitizing drugs cannot use laser therapy. Photosensitization is a chemical change in the skin that increases your sensitivity to light. So, weigh all the positives, negatives, and make a decision about a laser helmet or any laser treatment.
In general, the disadvantages of laser hair growth helmets are few. In most cases, we can use laser hair growth helmets to treat our hair loss. Of course, if you are not sure whether you can use laser hair growth helmets, you'd better check with your doctor first to see if you can use a laser helmet.