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Jessica Alba, Honest Sunscreen

Stefanie Keenan/Getty Images for Target

Jessica Alba has had smoother summers. 

A second class action lawsuit has been filed against the 35-year-old actress' The Honest Company, according to TMZ

Per TMZ, the suit, which asks for a minimum of $5 million, alleges that the company changed the formula for its SPF 30 sunscreen in March and removed more than half of the zinc oxide (the chemical that protects against the sun), causing a number of users to get sunburned. The site also posted photos, reportedly obtained from the suit, which clearly show a number of individuals' severe sunburns.

The Honest Company sunscreen, which is sold out on its website, is touted as a "naturally derived, unscented, broad-spectrum (UVA and UVB) SPF mineral sunscreen." The description also states that "Zinc oxide is the ONLY active sunscreen ingredient - NO synthetic chemical sunscreens." 

VIDEO: Take a look at Jessica Alba's Honest offices

Jessica Alba, Instagram

Instagram

This isn't the first time Alba and her company, valued at nearly $1 billion, have faced backlash in recent months. 

Last week, consumer Jonathon D. Rubin filed a suit against Honest, claiming the brand "deceptively and misleadingly labeled and marketed its products" by calling them "natural." He and the class members are seeking at least $5 million in damages plus interest on all liquidated sums.

"Based on Honest's representations that the Products were natural, [Rubin] and the Class paid a premium for the Products over comparable products that did not purport to be natural," the lawsuit, obtained by E! News, stated. "Instead of receiving products that were natural, [Rubin] and the Class received the Products, which, contrary to Honest's representations, contained synthetic ingredients."

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Happy Labor Day to our Honest family! Wishing you all a relaxing and delightful day. | #Repost: @dylan.besson

A photo posted by The Honest Company (@honest) on

Alba called the allegations "baseless and without merit."

"We strongly stand behind our products and the responsibility we have to our consumers," she said. "We are steadfast in our commitment to transparency and openness."

In July, the company also found itself on the receiving end of criticism when parents complained that the brand's SPF 30 sunscreen left children with damaging sunburns. The company released a statement to E! News in response:

"The Honest Company is committed to providing safe and effective products and take all consumer feedback very seriously. Our Sunscreen Lotion was tested, by an independent 3rd party, against the protocols prescribed by the U.S. Food & Drug Administration's (FDA) monograph for over-the-counter sunscreen products. The results showed that our product is effective and safe for use as an 80 minute water-resistant (FDA's highest rating), SPF 30 sunscreen lotion in accordance with FDA regulations when used as directed (Shake Well. Apply liberally and evenly 15 minutes before sun exposure. Reapply after 80 minutes of swimming or sweating, immediately after towel drying and at least every 2 hours). We stand behind the safety and efficacy of this product."

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