Galactomyces Ferment Filtrate

What Is Galactomyces Ferment Filtrate?

Galactomyces Ferment Filtrate (GFF) is a nutrient-rich liquid obtained from the fermentation of Galactomyces yeast. Famously used in SK-II's 'Pitera™', it contains vitamins, amino acids, minerals, and organic acids that brighten skin, improve barrier function, and promote cell turnover.

Key Skin Benefits

• + Clinically proven skin brightening
• + Improves skin barrier function and hydration
• + Rich in B vitamins, amino acids, and minerals
• + Promotes healthy cell turnover
• + Reduces appearance of pores and texture

Pros

• + Strong clinical evidence for brightening efficacy
• + Natural fermentation-derived ingredient
• + Multiple skin benefits (brightening + barrier + hydration)
• + Luxury ingredient with cult following
• + Gentle enough for daily use

Cons

• − High cost (especially branded Pitera™)
• − Distinctive yeast scent may be polarizing
• − Results take 2-4 weeks of consistent use
• − Batch-to-batch variation in natural ferments
• − Limited to no research from independent (non-SK-II) sources

Specifications

Safety Ratings

Regional Regulatory Limits

Typical Usage % by Product Type

References

1. Miyamoto K et al. (2011) — GFF on skin barrier. SK-II research
2. Tsuji T et al. (2012) — GFF and epidermal turnover
3. EWG Skin Deep — Score 1/10