Hi
I've used Avon Skin-So-Soft body oil spray since 1996 when it was recommended as a mosquito repellent in a free book provided by Thomson on a holiday to Sri Lanka.
I use it after applying after-sun, then apply Autan spray on top, as a sort of 'belt and braces' approach.
I very rarely get bitten by any insects, even when my husband does, although that may just be down to skin type.
Hope it works for you.
Polly