Clearly natural absorption is not keeping up with this, but can reduce it by half, so maybe its time scale is 200 years. (judithcurry.com)
Mineral Oil is often used as a humectant, however, it can build up under the skin causing the skin's natural absorption of vitamins and nutrients to be disrupted, and can serve to be counterproductive in the long run. (annmariegianni.com)
AstraGin ™ A NuLiv Proprietary All Natural Absorption Enhancing Ingredient (A NuLiv Pharmaceutical Extraction and Formulation from Astragalus Membranaceus and Panx Notoginseng) NO3 - T ® is registered trademark of ThermoLife International, LLC. (scivation.com)