Your natural hair profile is DRY. It's black, coily, medium texture, grows quickly, with high shrinkage.
When imbalanced your hair gets brittle, split ends, tangles easily, and hairline thins out. The scalp gets dry with small, dry, flaky dandruff.
Your natural hair profile is SENSITIVE. It's soft, black-brown with a mixture of different curl patterns.
When imbalanced your hair and scalp get dry, with loss of colour (more brownish). Your scalp gets sensitive - prone to allergies with skin-based reactions (like eczema, allergic dermatitis, rashes).
Your natural hair profile is OILY. It's thick, jet-black and lush with coarse texture.
When imbalanced the hair gets dry from lack of moisture while the scalp gets oily and becomes prone to wet dandruff (large, yellow flakes that clump together).