Using a suitable photographic context, such as a white background, bright colors or just a color tone, will make your product more sparkling in the eyes of the customer.
By using Photoshop or Adobe Illustrator image editing tools, your photos will be more professional and attractive. Otherwise, take advantage of all the free and amateur photo editing apps right on your phone like VSCO, Snapseed, Afterlight or FotoRus .
To prevent images from being copied or to create your own account, you can insert some information into the image such as shop name, phone number or logo.
A Hashtag is a string of alphanumeric characters that are written next to the "#", for example: #quantrimang, #banhangtreninstagram, #instagram . This is a very popular type of keyword used to classify Content shared on Instagram according to certain topics.
However, don't overdo the hashtag in each article, but only limit the 10 hashtag . This will make customers feel confident in the content you want to convey and increase the effectiveness of the hashtag usage.
Good luck.