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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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1 Reply
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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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