emerged that cetaphil is responsible for the glowing skin of a host of stars including britain 's got talent judge amanda holden and actresses charlize theron and olivia wilde .
it has emerged that the cleanser is responsible for the glowing skin of a host of stars including britain 's got talent judge amanda holden , 44 , revealed that it is her secret to remaining fresh-faced .
` it is n't fancy or expensive but it does what i need it to do , ' she said .
the mother of two girls said she had started looking into ways to improve her skin after playing princess fiona in shrek in the west end in 2011 that