Nutrileveza Felps Professional 250ml Balancing Air Conditioner Equilibrium Line is a dermatologically tested treatment line, that is, tested in the laboratory, it helps to care for and treat scalp dysfunction. Some dysfunctions are most often caused by stress, pollution, chemical reactions, poor diet, trauma, eating inappropriate foods, and other factors. Nutrileveza air conditioning: An anti-oil complex (kilaya, lemon, joie, rosemary, mint) and shea butter gently untangles and nourishes weakened strands due to scalp dysfunction, making strands saturated, silky and healthy all the way to the tips.