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It is also believed that due to the presence of certain oils in dairy ingredients, they tend to bind the dead skin cells together inside the pores and thus, blocking them. However, not all dairy products may be bad for your skin health. While milk and ice cream have been linked to acne, yoghurt is safe to consume as it contains probiotics which help to calm the inflammation and lowers the amount of IGF-1 content found in milk (Also read: Should You Avoid Dairy Products If You Have a Cold or a Bad Throat ?)