Is wudu valid with nail polish on?

What decides it

The condition for a valid wudu is that water reaches every part of the limbs being washed. Anything sitting on the skin or nail that water cannot pass through prevents that, and the washing is incomplete.

The scholars apply this to polish by asking one question: does it leave a layer on the nail, or only a colour?

• With a layer (jirm): the water does not reach the nail, so wudu is invalid until it is removed.
• Colour only, no layer: water reaches the nail, so wudu is valid — like henna, which stains the nail without coating it.

Shaykh Ibn Baz put the distinction plainly:

"If the polish on the nails has no substance, it does no harm, like henna which has no substance. But if it has a substance — like what they call manakir, or anything else that leaves a body on the nail — then it must be removed. If she wants to make wudu, she removes it from her nails, because it prevents water from reaching the nail."— Shaykh Ibn Baz, Fatawa Nur 'ala al-Darb

The Permanent Committee gave the same ruling: if the polish has a jirm on the surface of the nails, wudu is not valid without removing it first; if it has no jirm, wudu is valid, as with henna.

The evidence behind the condition

The requirement is not a technicality. It rests on a narration in which the Prophet ﷺ saw a man who had made wudu but left a spot the size of a fingernail dry on his foot:

"Go back and perform your wudu properly."— Sahih Muslim 243, from 'Umar ibn al-Khattab

Imam al-Nawawi drew the ruling from it: whoever leaves even a small part of what must be purified, his purification is not valid — and this is agreed upon. He also stated in al-Majmu' that if wax, dough, henna or the like is on a limb and prevents water from reaching any part of it, the purification is invalid, whether the amount is large or small.

The small amount that is excused

There is one concession, and it is narrow. A tiny amount of dirt or residue under the nail that is difficult to avoid and hard to remove is overlooked by many scholars — al-Ghazali among the Shafi'is, and the Hanbali jurists stated it explicitly — because of the hardship involved. Shaykh al-Islam Ibn Taymiyyah extended this to any small amount that blocks water, such as dough or dried blood, on any limb.

This concession does not cover polish. As one fatwa notes, a woman who removes polish from all her other nails has no difficulty removing it from the last one, so it does not fall under the excuse of hardship. The concession is for what you cannot reasonably avoid, not for what you chose to apply.

If you are unsure whether a layer remains

Where you genuinely cannot tell whether what is left is a layer or only a colour, the fatwa advises acting on the assumption that it is slight, since the matter returns to your own judgement. If you are certain a substantial layer remained, the prayers offered in that state were without valid wudu and need to be made up — this is the position of the majority, and the safer course.

In practice

• Remove the polish before wudu. Not before prayer only — before the wudu itself.
• You may apply it after wudu and pray with that wudu; it remains valid until the wudu breaks.
• Once the wudu breaks, remove it before making wudu again. Wiping over it (mas'h) is not permitted in this case.
• If you cannot remove it for medical reasons — where a treatment coating is needed to prevent the nails from deteriorating and no alternative exists — the coating takes the ruling of a jabirah (a dressing over a wound): you wipe over it out of necessity, and your wudu is valid.
• Polish itself is permitted in principle, provided it is not made from something impure such as pork fat, is not worn to imitate disbelievers or immoral women, and is not used to deceive — for instance, presenting your hand as more beautiful than it is to a suitor.

Key takeaways

• Wudu is invalid with polish that leaves a layer on the nail, because water cannot reach the nail; it is valid if only a colour remains.
• The test is physical: does water pass through to the nail, or not?
• Remove the polish before each wudu, not merely before prayer; polish applied after wudu is fine until the wudu breaks.
• The excuse for a tiny, hard-to-avoid residue does not extend to polish you can easily remove.
• A medically necessary coating is treated like a jabirah: wipe over it, and the wudu is valid.

Further reading

• al-Majmu' — Imam al-Nawawi
• Majmu' Fatawa wa Maqalat al-Shaykh Ibn Baz
• Fatawa al-Lajnah al-Da'imah lil-Ifta'

And Allah knows best.