How important is USDA Certified Organics Seal?

"The USDA National Organic Standard Seal not only shows your ongoing commitment to a healthy planet but assures consumers and buyers that your product meets stringent USDA organic certification requirements, thus will make your product more marketable and profitable."

STRINGENT USDA Organic certification requirements like:

1) NOP production and handling standards cover all manners of organic crop growing and livestock handling, along with standards associated with The National List.

2) If a business or individual knowingly labels or sells a product that bears the Organic Seal or USDA organic wording, and that product is not truly organic, a civil penalty of up to $11,000 for each offense may be charged.

3) One major certification policy is that all USDA certified organic applicants must submit an organic system plan to their accredited certifying agent.

So, if you happen to come around products that are labeled organic without the "seal" It is basically means nothing. Look for skin care and personal products from companies that take the EXTRA step to become certified USDA Organic with the seal.

Source: https://organic.about.com/od/organicpublicpolicy/a/Standards-Addressed-By-National-Organic-Program-Regulations.htm

Another worth reading sources: http://www.nsf.org/consumer-resources/green-living/organic-certification/organic-labeling-requirements/
NOP Allowable and Prohibited Substances
Can USDA Organics be trusted?