What form of hyaluronic acid is best? Low MW problematic causes eye irritation and feels dry

So very low molecular weights can irritate eyes and possibly feel drying/cause milia. 

Very high mw versions don't penetrate the skin but feel good / act as gelling agents.

Is HA a useless ingredient or are there forms that work without these issues? 
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Comments

  • None of the hyaluronic varieties penetrate through stratum corneum as even ultra low molecular weight is larger than 400 daltons. I personally find it overpriced and useless.
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