⁌ ULY ⁍adicionou o comentário 8 years ago
Dana: LOSING
Со временем эти средства начинают терять свои свойства.
Over time these products start to lose their properties.
These substances/products start losing their properties with time.
Если "средства" - медицинские, можно использовать "remedies"
In time these means start loosing their qualities.
Dana: LOSING