Is this brush smoothing?

Yes since it cuts down drying time significantly.

Is this brush good for fine hair and is it soft on the scalp?

Yes this brush will work will to brush fine hair and it is gentle on the scalp. If your hair doesn't tangle easily, then you can also use it for detangling. However, if it does tangle easily, then you will also want to get a brush specifically for detangling such as: https://www.amazon.com/Olivia-Garden-iDetangle-Brush-Fine/dp/B071DVHVVH?ref_=ast_sto_dp&th=1&psc=1 https://www.amazon.com/Olivia-Garden-Detangler-Fine-Medium-thickness/dp/B07TLP1856?ref_=ast_sto_dp&th=1&psc=1 Happy styling! ~ Olivia Garden

Is there a way to clean the build up on the bristles near the base?

Thank you for your inquiry! We hope that you are enjoying your brush. We highly recommend our brush cleaner, it is amazing to clean all your brushes (any brand, any model): https://www.amazon.com/Olivia-Garden-Cleaner-Individual-Pieces/dp/B00ABTJAJM/ref=sr_1_3?dchild=1&m=A25WZCI7CCJL9A&marketplaceID=ATVPDKIKX0DER&qid=1573260952&s=merchant-items&sr=1-3

ASIN	B000SSUFHW
Additional Features	Vented
Best Sellers Rank	#267,238 in Beauty ( See Top 100 in Beauty ) #2,754 in Hair Brushes
Brand	Olivia Garden
Bristle Material	Nylon
Colour	Silver
Customer Reviews	4.5 out of 5 stars 221 Reviews
Global Trade Identification Number	00752110715250
Hair Type	All
Handle Material	Ceramic
Importer Contact Information	Esskay Beauty Resources Pvt Ltd. ,18/14 WEA, Karol Bagh, New Delhi - 110 005
Item Shape	Round
Item Type Name	hair brushes
Item Weight	0.1 Pounds
Manufacturer	Olivia Garden
Material	Ceramic
Number of Items	1
Product Benefits	Smoothening,Shine,Styling
Shape	Round
Special Feature	Vented
UPC	752110715250
Unit Count	1.0 Count

Olivia Garden Ceramic and Ion Xl Pro, Small

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