Higher end products generally have superior quality ingredients such as "Certified Organic Botanicals." These higher end products deliver dependable results and often times a little goes a long way.
Higher end products should be bought from a professional licensed salon.
Be careful of manufacture date. All high-end products should be used within three years of Manufacture date for best results.
Paraben-free products have an even shorter expiration time-frame because they don't have the preservatives. (Examples: Jane Carter Solution, Bioken)
Pureology and Aveda are two of the most popular high-end product lines. Both lines have shampoos that work very well on ethnic hair. Seek a salon professional to advise you on which shampoos are best for your hair type.
Conditioners are a whole different story. Ethnic hair often times need heavier conditioning treatments than Caucasian hair. For example: A regular cream conditioner may work on Caucasian hair/straight hair whereas a heavier hair masque may work better on ethnic hair/drier hair.
Please note that high-end shampoos start the conditioning process. So fine Caucasian hair/straight hair may not need a conditioner when a light conditioning rinse may perform better.