Lemon juice can be both beneficial and problematic when applied to hair, especially depending on your hair type and any treatments you’ve had. Applying lemon directly to the hair could indeed help with dandruff and increase shine due to its acidity and Vitamin C content. However, it can also cause irritation, as you’ve experienced, particularly if one has sensitive skin or scalp. Lemon juice can be quite drying, which might exacerbate the frizzy nature of thick hair.
For thick and frizzy hair, it’s better to mix lemon juice with something moisturizing like coconut oil or olive oil. This can help mitigate any drying effects while still allowing you to benefit from the lemon’s properties. You can mix a tablespoon of lemon juice with two tablespoons of oil and massage it gently into your hair and scalp. Leave it for about 20-30 minutes before washing it out with a mild shampoo. This can be done once every two weeks to avoid scalp irritation.
As for colored hair, lemon’s acidity can indeed lighten hair color and potentially strip some color from dyed hair, especially with repeated use. To avoid this, always patch test and use a more diluted mixture. Also, keep in mind lemon makes hair more sensitive to sun exposure, leading to further lightening or damage. So, it’s best to avoid sun exposure right after applying it.
In case of itchy scalp or irritation, it’s a clear sign your skin might be too sensitive to lemon’s acidity, so diluting more or reducing frequency might be necessary. If discomfort persists, it could be wise to stop using it altogether. Always listen to what your body tells you; if it feels wrong, it probably is. For specific cases where lemon may not be suitable, considering other herbal remedies like neem or aloe vera might provide relief without the risk associated with lemon’s acidity. If uncertainty persists, consulting with a dermatologist or a local Siddha-Ayurvedic practitioner can offer clarity and personalized guidance.



