Please capitalize where necessary: as mentioned earlier, the components used in the hair supplement are all natural.
A: As mentioned earlier, the components used in the hair supplement are all natural.

Please capitalize where necessary: but there was now enough noise and bustle in the yard.
A: But there was now enough noise and bustle in the yard.

Please capitalize where necessary: even after the purchase of your machine, it is still our goal to ensure that it operates perfectly.
A: Even after the purchase of your machine, it is still our goal to ensure that it operates perfectly.

Please capitalize where necessary: analysis of undesirable chemicals in consumer products.
A:
Analysis of undesirable chemicals in consumer products.