Answered by SunniPath Answer Service Team
If pen marks get on your hand and you perform wudu but they happen to remain is wudu invalid?
Wa Alaykum Assalam wa Rahmatullah wa Barakatuhu,
From a previous question answered by Shaykh Faraz Rabbani:
Things without a perceptible body (such as ink and your sock’s dye) are not considered barriers preventing water reaching the skin. Thus, your wudu would be valid.
Wassalam,
SunniPath Fiqh Team