My hair grows a lot faster in the hot summer months also and my hair also tends to get lighter (about 2 shades). I wash my hair once a week and leave it alone for 4-5 days with no products at all (except a little oil on my ends) and my hair is growing by leaps and bounds. Also drinking more water, taking my multivitamins faithfully, exercising and eating a lot of fruits and vegtables is also contributing to all this extra growth.
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Last relaxer touch-up: May 16th, 2005 (attained 1 1/2 in of ng!)
Next relaxer touch-up: July 23rd, 2005
Current hair length: 1 inch past bra strap (when blown out straight)
Current hair goal: 5 inches past bra strap by Dec. 2005
Hair type and texture: 4b thick and course
Pics coming in July!