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According to Dr. Debra Jaliman, M.D., dermatologist and author of Skin Rules: Trade Secrets from a Top New York Dermatologist, “LED home devices are not dramatic treatments, but they’re safe and easy to use at home and gradually improve skin quality, so many people find it more convenient than going to a dermatologist’s office.”

Light therapy is generally safe for most skin types, but there are certain considerations and precautions to keep in mind, especially for individuals with specific skin conditions or sensitivities.

1. Darker skin tones (Fitzpatrick skin types IV to VI): There is a higher risk of hyperpigmentation or hypopigmentation due to the higher melanin content absorbing more light energy. It’s crucial for individuals with darker skin to consult a dermatologist before undergoing light therapy to ensure its suitability.

2. Photosensitive: Skin conditions, such as lupus or certain types of eczema, should avoid light therapy or proceed with caution, as it can exacerbate these conditions. 

3. Active skin infection: Avoid light therapy if you have active skin infections like herpes simplex or bacterial infections, as it can worsen or spread the infection.

4. Recent use of photosensitising medications: If you’re taking photosensitising medications like antibiotics (e.g., tetracyclines) or retinoids, consult your healthcare provider before using light therapy due to increased skin sensitivity.

5. Pregnancy: Due to limited research on the effects of light therapy during pregnancy, it is recommended to avoid light therapy as a precaution.

It’s always best to consult with a dermatologist or healthcare professional before starting light therapy to ensure it is safe and appropriate for your specific skin type and condition. They can provide personalised recommendations and help minimise the risk of side effects.