I've donated my hair to charity 4 times, but I probably never will again. Here's what you need to know if you want to do it.

Rebecca Harrington/Business Insider

• I've donated my hair to charity four times, but I don't plan to again because there's less need now.
• I've donated to Locks of Love twice, Pantene Beautiful Lengths, and Children with Hair Loss.
• Here are the details about hair donations, including how long it must be and if it can be colored.

The scissors snipped together slowly making that unmistakable crunching sound, and...