How to remove pen ink from clothing

The article "How to Remove Ink Stains from Clothes" can be viewed at https://vrazhay.com.ua/blog/yak-vyvesty-slidy-ruchky-z-tkanyny-bez-plyam-i-rozvodiv.html - where quick methods for white, colored, denim, and delicate fabrics without streaks and damage to the item are described.