Why Are Some Dog Hairs Turning Orange. This was due to a reduction in the melanin (pigment) in the hair, a decreased total melanin concentrations of tyrosine in plasma. Hair loss in dogs can also occur due to nutritional deficiencies, the presence of which would otherwise support the development of healthy skin and hair.keratin, the core component of hair, needs sulfur amino acids to be synthesized properly;
Hair loss in dogs can also occur due to nutritional deficiencies, the presence of which would otherwise support the development of healthy skin and hair.keratin, the core component of hair, needs sulfur amino acids to be synthesized properly; Baking soda is also a good treatment for brassy hair You may have used a different brand, the henna may be old, or your ingredient had some variations in your last application of the henna.