The other 5% (or less) ingredients are natural ingredients we reproduced the composition in laboratory, and thus they cannot be considered as purely natural but they are identical. This way of doing is not harmful at all for the skin and provide the exact same effect than natural ingredients do.
1. CONSCIENTIOUS EXTRACTION - Some ingredients are too rare or found in too low quantity to be extracted. It explains why we prefer copying its composition synthetically not to arm the nature.
2. RARITY & AFFORDABILITY - Sometimes, richest active natural ingredients are too expensive, a consequence of rarity. To offer the best and richest products at an affordable price, we decide reproducing the exact same formula in laboratory.
In our mind we are 100% natural !