Cosmetics Formulation Development

To use Astaxanthin แอสตาแซนธิน จากสาหร่ายสีแดง (2% ผง กระจายในน้ำ) in the toner recipe, can it be done and how should I mix it in the formula? / Will there be an orange color on the skin if I use it in the formula? Thank you in advance

Hello, it can be spread in water. High usage rate has a chance to cause color on the skin. but can be washed