Katy Manley’s refund-only class action against Hain Celestial Group alleged she was severely sunburned because the $9.99 bottle of Hain’s “Alba Botanica Very Emollient Mineral Spray Sunscreen” she purchased from TJ Maxx wasn’t as effective as she expected — reportedly because the directions said “shake well before use” when they should have instructed her to “shake vigorously for 10 seconds before use.”Manley, who says she followed the “shake well&rdquo …