"How many newer ingredients are you comfortable using in a brand new formula?" question is geared towards the cosmetic formulators out there. With more and more new ingredients being offered to the cosmetics industry, just how many make their way into new products? With the object of getting products to market faster than the competition, there is less time to test ingredients to determine compatibility, stability and performance. The more unknowns in a formula, the harder it is to troubleshoot problems. So how many new ingredients would a formulator be comfortable using in a new formula to avoid potential problems down the road?