The dr groot shampoo is a korean brand that worked wonders on my hair it made my hair look healthier and also improved my hairs growth. But what optimized my results was adding the oil that comes with it
Dr. Groot Korean Hair Care - Official Website
Another great option that is affordable for hair growth is this shampoo that you can get at any store, but I would get mine from target.
L'Oreal Paris Elvive Dream Lengths Restoring Shampoo for Long ...
The olaplex hair oil is a key factor in your hair care routine by using it helped me get the shine and softness back in my hair.
OLAPLEX Nº.7 BONDING OIL™
The shino hair mask is great hair mask for when you feel like your hair looks dull and has split ends.
My review of the Shiseido Fino Premium Touch Hair Mask : r/AsianBeauty