In most image editing applications and software programs there is a sharpening filter or option. Apply this filter to your profile picture to emphasize the contours and details.
A balanced contrast can help make your profile picture appear sharper. Adjust the contrast in your image editing software to emphasize the differences between light and shadow.
While editing is important, you should be careful not to over-edit your image as this can result in an unnatural look. Maintain a realistic appearance.
Your Instagram profile picture is a key instazoom element in your social media presence.