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Considering Alcohol has no surface tension, the chance of it being caused by friction is unlikely. In fact it becomes a benefit when using an alcohol solution (not a gel, foam or lotion). Alcohol having no surface tension spreads across the skin, under the nails, and penetrates, while sterilizing everything in it's path. If the solution also has a bonded conditioning emollient, then this is pulled with it helping to restore damaged tissues as well. There are only a couple products on the market that do this that we are aware of.

This white "lumping" could also be explained by the Bio-residue build up left behind from the continued use of gels, foams or lotion products. It's very common in the health care industry to see this, and many nurses and doctors we run into list this as a top complaint.

We've also seen a high frequency of contact dermatitis (skin irritation) for the same reasons, especially in those products containing Benzalkonium Chloride or Chlorhexidine Gluconate. Both of which are known to irritate the skin during regular use.

Hope this helps