This list in Pharos includes chemicals for which we have been able to find a CASRN. You can view the full list of chemicals on SC Johnson's website here.
From the SC Johnson press release:
Developing a Comprehensive Skin Allergen List
To determine its comprehensive list of potential skin allergens, SC Johnson scientists analyzed more than 3,000 data sets from public and industry sources for potential skin allergens identified on country regulatory lists, fragrance industry lists, the European Scientific Committee on Consumer Safety reviews, dermatology clinic data and individual supplier safety data sheets. The company then shared its findings for validation with experts in the fields of dermatology, immuno-toxicology, fragrance toxicology and allergens.