If the answer to the scalp ridges is found or the causes ,I would like to be informed...58 year old woman got those ridges over night .have had cats in the past litter outside . straighten my hair twice a year..tint have always been no peroxide no ammonia. lots of stress ,,moved to a new place that's when I got the ridges,maybe the sheet rock there ..I have arthritis bones on 5 fingers getting ugly. Left eye many years ago was called a lazy eye low vision .. right hand 3 fingers tinkle sensention most of the time . A bid forgetfulness since the age of 40 getting worse...( Ridges on the top only )always wear a high ponytail ... No headache. Starting to get slight dizzy every now and then
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replied October 19th, 2016
The issue you are facing cannot be diagnosed with the history that you have provided.

The cause (most likely) could be due to fungal infections or due to seborrheic dermatitis.

Consult your dermatologist for a proper opinion.

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