Suit Saver is #1 in the swimwear industry for protecting swimwear fabric by removing 99.9% of harmful chlorine and its odor from swimwear.
Suit Saver T.M. keeps colors bright and keeps fabrics looking new. Suit Saver T.M. is environmentally safe, water based, no nitrates, no phosphates, no perfumes, and no dyes.
$7.50 (does approx. 50 washings, at $0.15 per wash). Note: limit of 1 bottle per swimsuit order.

https://suit-saver.com/faq/