When I started making the Asia film, I had almost no idea about palm oil. But spending 4 years looking into the wildlife of South East Asia I now realise that the way we consume palm oil in the UK ...

Palm oil is used in everything from cosmetics to ... You can watch the full documentary, Unmasked: Make-Up's Big Secret on iPlayer. If you're from outside the UK you can watch the film here.

Endangered monkeys and apes could face new risks if Africa becomes a big player in the palm oil industry. Most areas suitable for growing the oil crop are key habitats for primates, a study suggests.