this is the full text of the opinion in question; the MoS calculations are on page 72 and 73
the conclusion is on page 83:
1. Does SCCS consider Phenoxyethanol safe for use as a preservative with a maximum concentration of 1.0 %, taking into account the information provided?
The SCCS considers phenoxyethanol safe for use as a preservative with a maximum concentration of 1.0%, taking into account the information provided.
2. The SCCS is asked, when making the assessment, to take into account the specific age groups who might be particularly susceptible to the effects of Phenoxyethanol used as preservatives in cosmetic products.
The toxicokinetics default factor of 4.0 can be reduced to 1.0 yielding a minimum Margin of Safety (MoS) of 25 instead of 100 for the safety assessment of 2-phenoxyethanol. Therefore, the MoS of about 50 for children also covers this specific age group who might be higher exposed to 2-phenoxyethanol than adults.